Actualizacion maquina principal
[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / typescript / lib / tsserverlibrary.d.ts
diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/typescript/lib/tsserverlibrary.d.ts b/.config/coc/extensions/node_modules/coc-prettier/node_modules/typescript/lib/tsserverlibrary.d.ts
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+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+declare namespace ts {
+    const versionMajorMinor = "3.9";
+    /** The version of the TypeScript compiler release */
+    const version: string;
+    /**
+     * Type of objects whose values are all of the same type.
+     * The `in` and `for-in` operators can *not* be safely used,
+     * since `Object.prototype` may be modified by outside code.
+     */
+    interface MapLike<T> {
+        [index: string]: T;
+    }
+    interface SortedReadonlyArray<T> extends ReadonlyArray<T> {
+        " __sortedArrayBrand": any;
+    }
+    interface SortedArray<T> extends Array<T> {
+        " __sortedArrayBrand": any;
+    }
+    /** ES6 Map interface, only read methods included. */
+    interface ReadonlyMap<T> {
+        get(key: string): T | undefined;
+        has(key: string): boolean;
+        forEach(action: (value: T, key: string) => void): void;
+        readonly size: number;
+        keys(): Iterator<string>;
+        values(): Iterator<T>;
+        entries(): Iterator<[string, T]>;
+    }
+    /** ES6 Map interface. */
+    interface Map<T> extends ReadonlyMap<T> {
+        set(key: string, value: T): this;
+        delete(key: string): boolean;
+        clear(): void;
+    }
+    /** ES6 Iterator type. */
+    interface Iterator<T> {
+        next(): {
+            value: T;
+            done?: false;
+        } | {
+            value: never;
+            done: true;
+        };
+    }
+    /** Array that is only intended to be pushed to, never read. */
+    interface Push<T> {
+        push(...values: T[]): void;
+    }
+}
+declare namespace ts {
+    export type Path = string & {
+        __pathBrand: any;
+    };
+    export interface TextRange {
+        pos: number;
+        end: number;
+    }
+    export type JSDocSyntaxKind = SyntaxKind.EndOfFileToken | SyntaxKind.WhitespaceTrivia | SyntaxKind.AtToken | SyntaxKind.NewLineTrivia | SyntaxKind.AsteriskToken | SyntaxKind.OpenBraceToken | SyntaxKind.CloseBraceToken | SyntaxKind.LessThanToken | SyntaxKind.GreaterThanToken | SyntaxKind.OpenBracketToken | SyntaxKind.CloseBracketToken | SyntaxKind.EqualsToken | SyntaxKind.CommaToken | SyntaxKind.DotToken | SyntaxKind.Identifier | SyntaxKind.BacktickToken | SyntaxKind.Unknown | KeywordSyntaxKind;
+    export type KeywordSyntaxKind = SyntaxKind.AbstractKeyword | SyntaxKind.AnyKeyword | SyntaxKind.AsKeyword | SyntaxKind.AssertsKeyword | SyntaxKind.BigIntKeyword | SyntaxKind.BooleanKeyword | SyntaxKind.BreakKeyword | SyntaxKind.CaseKeyword | SyntaxKind.CatchKeyword | SyntaxKind.ClassKeyword | SyntaxKind.ContinueKeyword | SyntaxKind.ConstKeyword | SyntaxKind.ConstructorKeyword | SyntaxKind.DebuggerKeyword | SyntaxKind.DeclareKeyword | SyntaxKind.DefaultKeyword | SyntaxKind.DeleteKeyword | SyntaxKind.DoKeyword | SyntaxKind.ElseKeyword | SyntaxKind.EnumKeyword | SyntaxKind.ExportKeyword | SyntaxKind.ExtendsKeyword | SyntaxKind.FalseKeyword | SyntaxKind.FinallyKeyword | SyntaxKind.ForKeyword | SyntaxKind.FromKeyword | SyntaxKind.FunctionKeyword | SyntaxKind.GetKeyword | SyntaxKind.IfKeyword | SyntaxKind.ImplementsKeyword | SyntaxKind.ImportKeyword | SyntaxKind.InKeyword | SyntaxKind.InferKeyword | SyntaxKind.InstanceOfKeyword | SyntaxKind.InterfaceKeyword | SyntaxKind.IsKeyword | SyntaxKind.KeyOfKeyword | SyntaxKind.LetKeyword | SyntaxKind.ModuleKeyword | SyntaxKind.NamespaceKeyword | SyntaxKind.NeverKeyword | SyntaxKind.NewKeyword | SyntaxKind.NullKeyword | SyntaxKind.NumberKeyword | SyntaxKind.ObjectKeyword | SyntaxKind.PackageKeyword | SyntaxKind.PrivateKeyword | SyntaxKind.ProtectedKeyword | SyntaxKind.PublicKeyword | SyntaxKind.ReadonlyKeyword | SyntaxKind.RequireKeyword | SyntaxKind.GlobalKeyword | SyntaxKind.ReturnKeyword | SyntaxKind.SetKeyword | SyntaxKind.StaticKeyword | SyntaxKind.StringKeyword | SyntaxKind.SuperKeyword | SyntaxKind.SwitchKeyword | SyntaxKind.SymbolKeyword | SyntaxKind.ThisKeyword | SyntaxKind.ThrowKeyword | SyntaxKind.TrueKeyword | SyntaxKind.TryKeyword | SyntaxKind.TypeKeyword | SyntaxKind.TypeOfKeyword | SyntaxKind.UndefinedKeyword | SyntaxKind.UniqueKeyword | SyntaxKind.UnknownKeyword | SyntaxKind.VarKeyword | SyntaxKind.VoidKeyword | SyntaxKind.WhileKeyword | SyntaxKind.WithKeyword | SyntaxKind.YieldKeyword | SyntaxKind.AsyncKeyword | SyntaxKind.AwaitKeyword | SyntaxKind.OfKeyword;
+    export type JsxTokenSyntaxKind = SyntaxKind.LessThanSlashToken | SyntaxKind.EndOfFileToken | SyntaxKind.ConflictMarkerTrivia | SyntaxKind.JsxText | SyntaxKind.JsxTextAllWhiteSpaces | SyntaxKind.OpenBraceToken | SyntaxKind.LessThanToken;
+    export enum SyntaxKind {
+        Unknown = 0,
+        EndOfFileToken = 1,
+        SingleLineCommentTrivia = 2,
+        MultiLineCommentTrivia = 3,
+        NewLineTrivia = 4,
+        WhitespaceTrivia = 5,
+        ShebangTrivia = 6,
+        ConflictMarkerTrivia = 7,
+        NumericLiteral = 8,
+        BigIntLiteral = 9,
+        StringLiteral = 10,
+        JsxText = 11,
+        JsxTextAllWhiteSpaces = 12,
+        RegularExpressionLiteral = 13,
+        NoSubstitutionTemplateLiteral = 14,
+        TemplateHead = 15,
+        TemplateMiddle = 16,
+        TemplateTail = 17,
+        OpenBraceToken = 18,
+        CloseBraceToken = 19,
+        OpenParenToken = 20,
+        CloseParenToken = 21,
+        OpenBracketToken = 22,
+        CloseBracketToken = 23,
+        DotToken = 24,
+        DotDotDotToken = 25,
+        SemicolonToken = 26,
+        CommaToken = 27,
+        QuestionDotToken = 28,
+        LessThanToken = 29,
+        LessThanSlashToken = 30,
+        GreaterThanToken = 31,
+        LessThanEqualsToken = 32,
+        GreaterThanEqualsToken = 33,
+        EqualsEqualsToken = 34,
+        ExclamationEqualsToken = 35,
+        EqualsEqualsEqualsToken = 36,
+        ExclamationEqualsEqualsToken = 37,
+        EqualsGreaterThanToken = 38,
+        PlusToken = 39,
+        MinusToken = 40,
+        AsteriskToken = 41,
+        AsteriskAsteriskToken = 42,
+        SlashToken = 43,
+        PercentToken = 44,
+        PlusPlusToken = 45,
+        MinusMinusToken = 46,
+        LessThanLessThanToken = 47,
+        GreaterThanGreaterThanToken = 48,
+        GreaterThanGreaterThanGreaterThanToken = 49,
+        AmpersandToken = 50,
+        BarToken = 51,
+        CaretToken = 52,
+        ExclamationToken = 53,
+        TildeToken = 54,
+        AmpersandAmpersandToken = 55,
+        BarBarToken = 56,
+        QuestionToken = 57,
+        ColonToken = 58,
+        AtToken = 59,
+        QuestionQuestionToken = 60,
+        /** Only the JSDoc scanner produces BacktickToken. The normal scanner produces NoSubstitutionTemplateLiteral and related kinds. */
+        BacktickToken = 61,
+        EqualsToken = 62,
+        PlusEqualsToken = 63,
+        MinusEqualsToken = 64,
+        AsteriskEqualsToken = 65,
+        AsteriskAsteriskEqualsToken = 66,
+        SlashEqualsToken = 67,
+        PercentEqualsToken = 68,
+        LessThanLessThanEqualsToken = 69,
+        GreaterThanGreaterThanEqualsToken = 70,
+        GreaterThanGreaterThanGreaterThanEqualsToken = 71,
+        AmpersandEqualsToken = 72,
+        BarEqualsToken = 73,
+        CaretEqualsToken = 74,
+        Identifier = 75,
+        PrivateIdentifier = 76,
+        BreakKeyword = 77,
+        CaseKeyword = 78,
+        CatchKeyword = 79,
+        ClassKeyword = 80,
+        ConstKeyword = 81,
+        ContinueKeyword = 82,
+        DebuggerKeyword = 83,
+        DefaultKeyword = 84,
+        DeleteKeyword = 85,
+        DoKeyword = 86,
+        ElseKeyword = 87,
+        EnumKeyword = 88,
+        ExportKeyword = 89,
+        ExtendsKeyword = 90,
+        FalseKeyword = 91,
+        FinallyKeyword = 92,
+        ForKeyword = 93,
+        FunctionKeyword = 94,
+        IfKeyword = 95,
+        ImportKeyword = 96,
+        InKeyword = 97,
+        InstanceOfKeyword = 98,
+        NewKeyword = 99,
+        NullKeyword = 100,
+        ReturnKeyword = 101,
+        SuperKeyword = 102,
+        SwitchKeyword = 103,
+        ThisKeyword = 104,
+        ThrowKeyword = 105,
+        TrueKeyword = 106,
+        TryKeyword = 107,
+        TypeOfKeyword = 108,
+        VarKeyword = 109,
+        VoidKeyword = 110,
+        WhileKeyword = 111,
+        WithKeyword = 112,
+        ImplementsKeyword = 113,
+        InterfaceKeyword = 114,
+        LetKeyword = 115,
+        PackageKeyword = 116,
+        PrivateKeyword = 117,
+        ProtectedKeyword = 118,
+        PublicKeyword = 119,
+        StaticKeyword = 120,
+        YieldKeyword = 121,
+        AbstractKeyword = 122,
+        AsKeyword = 123,
+        AssertsKeyword = 124,
+        AnyKeyword = 125,
+        AsyncKeyword = 126,
+        AwaitKeyword = 127,
+        BooleanKeyword = 128,
+        ConstructorKeyword = 129,
+        DeclareKeyword = 130,
+        GetKeyword = 131,
+        InferKeyword = 132,
+        IsKeyword = 133,
+        KeyOfKeyword = 134,
+        ModuleKeyword = 135,
+        NamespaceKeyword = 136,
+        NeverKeyword = 137,
+        ReadonlyKeyword = 138,
+        RequireKeyword = 139,
+        NumberKeyword = 140,
+        ObjectKeyword = 141,
+        SetKeyword = 142,
+        StringKeyword = 143,
+        SymbolKeyword = 144,
+        TypeKeyword = 145,
+        UndefinedKeyword = 146,
+        UniqueKeyword = 147,
+        UnknownKeyword = 148,
+        FromKeyword = 149,
+        GlobalKeyword = 150,
+        BigIntKeyword = 151,
+        OfKeyword = 152,
+        QualifiedName = 153,
+        ComputedPropertyName = 154,
+        TypeParameter = 155,
+        Parameter = 156,
+        Decorator = 157,
+        PropertySignature = 158,
+        PropertyDeclaration = 159,
+        MethodSignature = 160,
+        MethodDeclaration = 161,
+        Constructor = 162,
+        GetAccessor = 163,
+        SetAccessor = 164,
+        CallSignature = 165,
+        ConstructSignature = 166,
+        IndexSignature = 167,
+        TypePredicate = 168,
+        TypeReference = 169,
+        FunctionType = 170,
+        ConstructorType = 171,
+        TypeQuery = 172,
+        TypeLiteral = 173,
+        ArrayType = 174,
+        TupleType = 175,
+        OptionalType = 176,
+        RestType = 177,
+        UnionType = 178,
+        IntersectionType = 179,
+        ConditionalType = 180,
+        InferType = 181,
+        ParenthesizedType = 182,
+        ThisType = 183,
+        TypeOperator = 184,
+        IndexedAccessType = 185,
+        MappedType = 186,
+        LiteralType = 187,
+        ImportType = 188,
+        ObjectBindingPattern = 189,
+        ArrayBindingPattern = 190,
+        BindingElement = 191,
+        ArrayLiteralExpression = 192,
+        ObjectLiteralExpression = 193,
+        PropertyAccessExpression = 194,
+        ElementAccessExpression = 195,
+        CallExpression = 196,
+        NewExpression = 197,
+        TaggedTemplateExpression = 198,
+        TypeAssertionExpression = 199,
+        ParenthesizedExpression = 200,
+        FunctionExpression = 201,
+        ArrowFunction = 202,
+        DeleteExpression = 203,
+        TypeOfExpression = 204,
+        VoidExpression = 205,
+        AwaitExpression = 206,
+        PrefixUnaryExpression = 207,
+        PostfixUnaryExpression = 208,
+        BinaryExpression = 209,
+        ConditionalExpression = 210,
+        TemplateExpression = 211,
+        YieldExpression = 212,
+        SpreadElement = 213,
+        ClassExpression = 214,
+        OmittedExpression = 215,
+        ExpressionWithTypeArguments = 216,
+        AsExpression = 217,
+        NonNullExpression = 218,
+        MetaProperty = 219,
+        SyntheticExpression = 220,
+        TemplateSpan = 221,
+        SemicolonClassElement = 222,
+        Block = 223,
+        EmptyStatement = 224,
+        VariableStatement = 225,
+        ExpressionStatement = 226,
+        IfStatement = 227,
+        DoStatement = 228,
+        WhileStatement = 229,
+        ForStatement = 230,
+        ForInStatement = 231,
+        ForOfStatement = 232,
+        ContinueStatement = 233,
+        BreakStatement = 234,
+        ReturnStatement = 235,
+        WithStatement = 236,
+        SwitchStatement = 237,
+        LabeledStatement = 238,
+        ThrowStatement = 239,
+        TryStatement = 240,
+        DebuggerStatement = 241,
+        VariableDeclaration = 242,
+        VariableDeclarationList = 243,
+        FunctionDeclaration = 244,
+        ClassDeclaration = 245,
+        InterfaceDeclaration = 246,
+        TypeAliasDeclaration = 247,
+        EnumDeclaration = 248,
+        ModuleDeclaration = 249,
+        ModuleBlock = 250,
+        CaseBlock = 251,
+        NamespaceExportDeclaration = 252,
+        ImportEqualsDeclaration = 253,
+        ImportDeclaration = 254,
+        ImportClause = 255,
+        NamespaceImport = 256,
+        NamedImports = 257,
+        ImportSpecifier = 258,
+        ExportAssignment = 259,
+        ExportDeclaration = 260,
+        NamedExports = 261,
+        NamespaceExport = 262,
+        ExportSpecifier = 263,
+        MissingDeclaration = 264,
+        ExternalModuleReference = 265,
+        JsxElement = 266,
+        JsxSelfClosingElement = 267,
+        JsxOpeningElement = 268,
+        JsxClosingElement = 269,
+        JsxFragment = 270,
+        JsxOpeningFragment = 271,
+        JsxClosingFragment = 272,
+        JsxAttribute = 273,
+        JsxAttributes = 274,
+        JsxSpreadAttribute = 275,
+        JsxExpression = 276,
+        CaseClause = 277,
+        DefaultClause = 278,
+        HeritageClause = 279,
+        CatchClause = 280,
+        PropertyAssignment = 281,
+        ShorthandPropertyAssignment = 282,
+        SpreadAssignment = 283,
+        EnumMember = 284,
+        UnparsedPrologue = 285,
+        UnparsedPrepend = 286,
+        UnparsedText = 287,
+        UnparsedInternalText = 288,
+        UnparsedSyntheticReference = 289,
+        SourceFile = 290,
+        Bundle = 291,
+        UnparsedSource = 292,
+        InputFiles = 293,
+        JSDocTypeExpression = 294,
+        JSDocAllType = 295,
+        JSDocUnknownType = 296,
+        JSDocNullableType = 297,
+        JSDocNonNullableType = 298,
+        JSDocOptionalType = 299,
+        JSDocFunctionType = 300,
+        JSDocVariadicType = 301,
+        JSDocNamepathType = 302,
+        JSDocComment = 303,
+        JSDocTypeLiteral = 304,
+        JSDocSignature = 305,
+        JSDocTag = 306,
+        JSDocAugmentsTag = 307,
+        JSDocImplementsTag = 308,
+        JSDocAuthorTag = 309,
+        JSDocClassTag = 310,
+        JSDocPublicTag = 311,
+        JSDocPrivateTag = 312,
+        JSDocProtectedTag = 313,
+        JSDocReadonlyTag = 314,
+        JSDocCallbackTag = 315,
+        JSDocEnumTag = 316,
+        JSDocParameterTag = 317,
+        JSDocReturnTag = 318,
+        JSDocThisTag = 319,
+        JSDocTypeTag = 320,
+        JSDocTemplateTag = 321,
+        JSDocTypedefTag = 322,
+        JSDocPropertyTag = 323,
+        SyntaxList = 324,
+        NotEmittedStatement = 325,
+        PartiallyEmittedExpression = 326,
+        CommaListExpression = 327,
+        MergeDeclarationMarker = 328,
+        EndOfDeclarationMarker = 329,
+        SyntheticReferenceExpression = 330,
+        Count = 331,
+        FirstAssignment = 62,
+        LastAssignment = 74,
+        FirstCompoundAssignment = 63,
+        LastCompoundAssignment = 74,
+        FirstReservedWord = 77,
+        LastReservedWord = 112,
+        FirstKeyword = 77,
+        LastKeyword = 152,
+        FirstFutureReservedWord = 113,
+        LastFutureReservedWord = 121,
+        FirstTypeNode = 168,
+        LastTypeNode = 188,
+        FirstPunctuation = 18,
+        LastPunctuation = 74,
+        FirstToken = 0,
+        LastToken = 152,
+        FirstTriviaToken = 2,
+        LastTriviaToken = 7,
+        FirstLiteralToken = 8,
+        LastLiteralToken = 14,
+        FirstTemplateToken = 14,
+        LastTemplateToken = 17,
+        FirstBinaryOperator = 29,
+        LastBinaryOperator = 74,
+        FirstStatement = 225,
+        LastStatement = 241,
+        FirstNode = 153,
+        FirstJSDocNode = 294,
+        LastJSDocNode = 323,
+        FirstJSDocTagNode = 306,
+        LastJSDocTagNode = 323,
+    }
+    export enum NodeFlags {
+        None = 0,
+        Let = 1,
+        Const = 2,
+        NestedNamespace = 4,
+        Synthesized = 8,
+        Namespace = 16,
+        OptionalChain = 32,
+        ExportContext = 64,
+        ContainsThis = 128,
+        HasImplicitReturn = 256,
+        HasExplicitReturn = 512,
+        GlobalAugmentation = 1024,
+        HasAsyncFunctions = 2048,
+        DisallowInContext = 4096,
+        YieldContext = 8192,
+        DecoratorContext = 16384,
+        AwaitContext = 32768,
+        ThisNodeHasError = 65536,
+        JavaScriptFile = 131072,
+        ThisNodeOrAnySubNodesHasError = 262144,
+        HasAggregatedChildData = 524288,
+        JSDoc = 4194304,
+        JsonFile = 33554432,
+        BlockScoped = 3,
+        ReachabilityCheckFlags = 768,
+        ReachabilityAndEmitFlags = 2816,
+        ContextFlags = 25358336,
+        TypeExcludesFlags = 40960,
+    }
+    export enum ModifierFlags {
+        None = 0,
+        Export = 1,
+        Ambient = 2,
+        Public = 4,
+        Private = 8,
+        Protected = 16,
+        Static = 32,
+        Readonly = 64,
+        Abstract = 128,
+        Async = 256,
+        Default = 512,
+        Const = 2048,
+        HasComputedFlags = 536870912,
+        AccessibilityModifier = 28,
+        ParameterPropertyModifier = 92,
+        NonPublicAccessibilityModifier = 24,
+        TypeScriptModifier = 2270,
+        ExportDefault = 513,
+        All = 3071
+    }
+    export enum JsxFlags {
+        None = 0,
+        /** An element from a named property of the JSX.IntrinsicElements interface */
+        IntrinsicNamedElement = 1,
+        /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */
+        IntrinsicIndexedElement = 2,
+        IntrinsicElement = 3
+    }
+    export interface Node extends TextRange {
+        kind: SyntaxKind;
+        flags: NodeFlags;
+        decorators?: NodeArray<Decorator>;
+        modifiers?: ModifiersArray;
+        parent: Node;
+    }
+    export interface JSDocContainer {
+    }
+    export type HasJSDoc = ParameterDeclaration | CallSignatureDeclaration | ConstructSignatureDeclaration | MethodSignature | PropertySignature | ArrowFunction | ParenthesizedExpression | SpreadAssignment | ShorthandPropertyAssignment | PropertyAssignment | FunctionExpression | LabeledStatement | ExpressionStatement | VariableStatement | FunctionDeclaration | ConstructorDeclaration | MethodDeclaration | PropertyDeclaration | AccessorDeclaration | ClassLikeDeclaration | InterfaceDeclaration | TypeAliasDeclaration | EnumMember | EnumDeclaration | ModuleDeclaration | ImportEqualsDeclaration | IndexSignatureDeclaration | FunctionTypeNode | ConstructorTypeNode | JSDocFunctionType | ExportDeclaration | EndOfFileToken;
+    export type HasType = SignatureDeclaration | VariableDeclaration | ParameterDeclaration | PropertySignature | PropertyDeclaration | TypePredicateNode | ParenthesizedTypeNode | TypeOperatorNode | MappedTypeNode | AssertionExpression | TypeAliasDeclaration | JSDocTypeExpression | JSDocNonNullableType | JSDocNullableType | JSDocOptionalType | JSDocVariadicType;
+    export type HasTypeArguments = CallExpression | NewExpression | TaggedTemplateExpression | JsxOpeningElement | JsxSelfClosingElement;
+    export type HasInitializer = HasExpressionInitializer | ForStatement | ForInStatement | ForOfStatement | JsxAttribute;
+    export type HasExpressionInitializer = VariableDeclaration | ParameterDeclaration | BindingElement | PropertySignature | PropertyDeclaration | PropertyAssignment | EnumMember;
+    export interface NodeArray<T extends Node> extends ReadonlyArray<T>, TextRange {
+        hasTrailingComma?: boolean;
+    }
+    export interface Token<TKind extends SyntaxKind> extends Node {
+        kind: TKind;
+    }
+    export type DotToken = Token<SyntaxKind.DotToken>;
+    export type DotDotDotToken = Token<SyntaxKind.DotDotDotToken>;
+    export type QuestionToken = Token<SyntaxKind.QuestionToken>;
+    export type QuestionDotToken = Token<SyntaxKind.QuestionDotToken>;
+    export type ExclamationToken = Token<SyntaxKind.ExclamationToken>;
+    export type ColonToken = Token<SyntaxKind.ColonToken>;
+    export type EqualsToken = Token<SyntaxKind.EqualsToken>;
+    export type AsteriskToken = Token<SyntaxKind.AsteriskToken>;
+    export type EqualsGreaterThanToken = Token<SyntaxKind.EqualsGreaterThanToken>;
+    export type EndOfFileToken = Token<SyntaxKind.EndOfFileToken> & JSDocContainer;
+    export type ReadonlyToken = Token<SyntaxKind.ReadonlyKeyword>;
+    export type AwaitKeywordToken = Token<SyntaxKind.AwaitKeyword>;
+    export type PlusToken = Token<SyntaxKind.PlusToken>;
+    export type MinusToken = Token<SyntaxKind.MinusToken>;
+    export type AssertsToken = Token<SyntaxKind.AssertsKeyword>;
+    export type Modifier = Token<SyntaxKind.AbstractKeyword> | Token<SyntaxKind.AsyncKeyword> | Token<SyntaxKind.ConstKeyword> | Token<SyntaxKind.DeclareKeyword> | Token<SyntaxKind.DefaultKeyword> | Token<SyntaxKind.ExportKeyword> | Token<SyntaxKind.PublicKeyword> | Token<SyntaxKind.PrivateKeyword> | Token<SyntaxKind.ProtectedKeyword> | Token<SyntaxKind.ReadonlyKeyword> | Token<SyntaxKind.StaticKeyword>;
+    export type ModifiersArray = NodeArray<Modifier>;
+    export interface Identifier extends PrimaryExpression, Declaration {
+        kind: SyntaxKind.Identifier;
+        /**
+         * Prefer to use `id.unescapedText`. (Note: This is available only in services, not internally to the TypeScript compiler.)
+         * Text of identifier, but if the identifier begins with two underscores, this will begin with three.
+         */
+        escapedText: __String;
+        originalKeywordKind?: SyntaxKind;
+        isInJSDocNamespace?: boolean;
+    }
+    export interface TransientIdentifier extends Identifier {
+        resolvedSymbol: Symbol;
+    }
+    export interface QualifiedName extends Node {
+        kind: SyntaxKind.QualifiedName;
+        left: EntityName;
+        right: Identifier;
+    }
+    export type EntityName = Identifier | QualifiedName;
+    export type PropertyName = Identifier | StringLiteral | NumericLiteral | ComputedPropertyName | PrivateIdentifier;
+    export type DeclarationName = Identifier | PrivateIdentifier | StringLiteralLike | NumericLiteral | ComputedPropertyName | ElementAccessExpression | BindingPattern | EntityNameExpression;
+    export interface Declaration extends Node {
+        _declarationBrand: any;
+    }
+    export interface NamedDeclaration extends Declaration {
+        name?: DeclarationName;
+    }
+    export interface DeclarationStatement extends NamedDeclaration, Statement {
+        name?: Identifier | StringLiteral | NumericLiteral;
+    }
+    export interface ComputedPropertyName extends Node {
+        parent: Declaration;
+        kind: SyntaxKind.ComputedPropertyName;
+        expression: Expression;
+    }
+    export interface PrivateIdentifier extends Node {
+        kind: SyntaxKind.PrivateIdentifier;
+        escapedText: __String;
+    }
+    export interface Decorator extends Node {
+        kind: SyntaxKind.Decorator;
+        parent: NamedDeclaration;
+        expression: LeftHandSideExpression;
+    }
+    export interface TypeParameterDeclaration extends NamedDeclaration {
+        kind: SyntaxKind.TypeParameter;
+        parent: DeclarationWithTypeParameterChildren | InferTypeNode;
+        name: Identifier;
+        /** Note: Consider calling `getEffectiveConstraintOfTypeParameter` */
+        constraint?: TypeNode;
+        default?: TypeNode;
+        expression?: Expression;
+    }
+    export interface SignatureDeclarationBase extends NamedDeclaration, JSDocContainer {
+        kind: SignatureDeclaration["kind"];
+        name?: PropertyName;
+        typeParameters?: NodeArray<TypeParameterDeclaration>;
+        parameters: NodeArray<ParameterDeclaration>;
+        type?: TypeNode;
+    }
+    export type SignatureDeclaration = CallSignatureDeclaration | ConstructSignatureDeclaration | MethodSignature | IndexSignatureDeclaration | FunctionTypeNode | ConstructorTypeNode | JSDocFunctionType | FunctionDeclaration | MethodDeclaration | ConstructorDeclaration | AccessorDeclaration | FunctionExpression | ArrowFunction;
+    export interface CallSignatureDeclaration extends SignatureDeclarationBase, TypeElement {
+        kind: SyntaxKind.CallSignature;
+    }
+    export interface ConstructSignatureDeclaration extends SignatureDeclarationBase, TypeElement {
+        kind: SyntaxKind.ConstructSignature;
+    }
+    export type BindingName = Identifier | BindingPattern;
+    export interface VariableDeclaration extends NamedDeclaration {
+        kind: SyntaxKind.VariableDeclaration;
+        parent: VariableDeclarationList | CatchClause;
+        name: BindingName;
+        exclamationToken?: ExclamationToken;
+        type?: TypeNode;
+        initializer?: Expression;
+    }
+    export interface VariableDeclarationList extends Node {
+        kind: SyntaxKind.VariableDeclarationList;
+        parent: VariableStatement | ForStatement | ForOfStatement | ForInStatement;
+        declarations: NodeArray<VariableDeclaration>;
+    }
+    export interface ParameterDeclaration extends NamedDeclaration, JSDocContainer {
+        kind: SyntaxKind.Parameter;
+        parent: SignatureDeclaration;
+        dotDotDotToken?: DotDotDotToken;
+        name: BindingName;
+        questionToken?: QuestionToken;
+        type?: TypeNode;
+        initializer?: Expression;
+    }
+    export interface BindingElement extends NamedDeclaration {
+        kind: SyntaxKind.BindingElement;
+        parent: BindingPattern;
+        propertyName?: PropertyName;
+        dotDotDotToken?: DotDotDotToken;
+        name: BindingName;
+        initializer?: Expression;
+    }
+    export interface PropertySignature extends TypeElement, JSDocContainer {
+        kind: SyntaxKind.PropertySignature;
+        name: PropertyName;
+        questionToken?: QuestionToken;
+        type?: TypeNode;
+        initializer?: Expression;
+    }
+    export interface PropertyDeclaration extends ClassElement, JSDocContainer {
+        kind: SyntaxKind.PropertyDeclaration;
+        parent: ClassLikeDeclaration;
+        name: PropertyName;
+        questionToken?: QuestionToken;
+        exclamationToken?: ExclamationToken;
+        type?: TypeNode;
+        initializer?: Expression;
+    }
+    export interface ObjectLiteralElement extends NamedDeclaration {
+        _objectLiteralBrand: any;
+        name?: PropertyName;
+    }
+    /** Unlike ObjectLiteralElement, excludes JSXAttribute and JSXSpreadAttribute. */
+    export type ObjectLiteralElementLike = PropertyAssignment | ShorthandPropertyAssignment | SpreadAssignment | MethodDeclaration | AccessorDeclaration;
+    export interface PropertyAssignment extends ObjectLiteralElement, JSDocContainer {
+        parent: ObjectLiteralExpression;
+        kind: SyntaxKind.PropertyAssignment;
+        name: PropertyName;
+        questionToken?: QuestionToken;
+        initializer: Expression;
+    }
+    export interface ShorthandPropertyAssignment extends ObjectLiteralElement, JSDocContainer {
+        parent: ObjectLiteralExpression;
+        kind: SyntaxKind.ShorthandPropertyAssignment;
+        name: Identifier;
+        questionToken?: QuestionToken;
+        exclamationToken?: ExclamationToken;
+        equalsToken?: Token<SyntaxKind.EqualsToken>;
+        objectAssignmentInitializer?: Expression;
+    }
+    export interface SpreadAssignment extends ObjectLiteralElement, JSDocContainer {
+        parent: ObjectLiteralExpression;
+        kind: SyntaxKind.SpreadAssignment;
+        expression: Expression;
+    }
+    export type VariableLikeDeclaration = VariableDeclaration | ParameterDeclaration | BindingElement | PropertyDeclaration | PropertyAssignment | PropertySignature | JsxAttribute | ShorthandPropertyAssignment | EnumMember | JSDocPropertyTag | JSDocParameterTag;
+    export interface PropertyLikeDeclaration extends NamedDeclaration {
+        name: PropertyName;
+    }
+    export interface ObjectBindingPattern extends Node {
+        kind: SyntaxKind.ObjectBindingPattern;
+        parent: VariableDeclaration | ParameterDeclaration | BindingElement;
+        elements: NodeArray<BindingElement>;
+    }
+    export interface ArrayBindingPattern extends Node {
+        kind: SyntaxKind.ArrayBindingPattern;
+        parent: VariableDeclaration | ParameterDeclaration | BindingElement;
+        elements: NodeArray<ArrayBindingElement>;
+    }
+    export type BindingPattern = ObjectBindingPattern | ArrayBindingPattern;
+    export type ArrayBindingElement = BindingElement | OmittedExpression;
+    /**
+     * Several node kinds share function-like features such as a signature,
+     * a name, and a body. These nodes should extend FunctionLikeDeclarationBase.
+     * Examples:
+     * - FunctionDeclaration
+     * - MethodDeclaration
+     * - AccessorDeclaration
+     */
+    export interface FunctionLikeDeclarationBase extends SignatureDeclarationBase {
+        _functionLikeDeclarationBrand: any;
+        asteriskToken?: AsteriskToken;
+        questionToken?: QuestionToken;
+        exclamationToken?: ExclamationToken;
+        body?: Block | Expression;
+    }
+    export type FunctionLikeDeclaration = FunctionDeclaration | MethodDeclaration | GetAccessorDeclaration | SetAccessorDeclaration | ConstructorDeclaration | FunctionExpression | ArrowFunction;
+    /** @deprecated Use SignatureDeclaration */
+    export type FunctionLike = SignatureDeclaration;
+    export interface FunctionDeclaration extends FunctionLikeDeclarationBase, DeclarationStatement {
+        kind: SyntaxKind.FunctionDeclaration;
+        name?: Identifier;
+        body?: FunctionBody;
+    }
+    export interface MethodSignature extends SignatureDeclarationBase, TypeElement {
+        kind: SyntaxKind.MethodSignature;
+        parent: ObjectTypeDeclaration;
+        name: PropertyName;
+    }
+    export interface MethodDeclaration extends FunctionLikeDeclarationBase, ClassElement, ObjectLiteralElement, JSDocContainer {
+        kind: SyntaxKind.MethodDeclaration;
+        parent: ClassLikeDeclaration | ObjectLiteralExpression;
+        name: PropertyName;
+        body?: FunctionBody;
+    }
+    export interface ConstructorDeclaration extends FunctionLikeDeclarationBase, ClassElement, JSDocContainer {
+        kind: SyntaxKind.Constructor;
+        parent: ClassLikeDeclaration;
+        body?: FunctionBody;
+    }
+    /** For when we encounter a semicolon in a class declaration. ES6 allows these as class elements. */
+    export interface SemicolonClassElement extends ClassElement {
+        kind: SyntaxKind.SemicolonClassElement;
+        parent: ClassLikeDeclaration;
+    }
+    export interface GetAccessorDeclaration extends FunctionLikeDeclarationBase, ClassElement, ObjectLiteralElement, JSDocContainer {
+        kind: SyntaxKind.GetAccessor;
+        parent: ClassLikeDeclaration | ObjectLiteralExpression;
+        name: PropertyName;
+        body?: FunctionBody;
+    }
+    export interface SetAccessorDeclaration extends FunctionLikeDeclarationBase, ClassElement, ObjectLiteralElement, JSDocContainer {
+        kind: SyntaxKind.SetAccessor;
+        parent: ClassLikeDeclaration | ObjectLiteralExpression;
+        name: PropertyName;
+        body?: FunctionBody;
+    }
+    export type AccessorDeclaration = GetAccessorDeclaration | SetAccessorDeclaration;
+    export interface IndexSignatureDeclaration extends SignatureDeclarationBase, ClassElement, TypeElement {
+        kind: SyntaxKind.IndexSignature;
+        parent: ObjectTypeDeclaration;
+    }
+    export interface TypeNode extends Node {
+        _typeNodeBrand: any;
+    }
+    export interface KeywordTypeNode extends TypeNode {
+        kind: SyntaxKind.AnyKeyword | SyntaxKind.UnknownKeyword | SyntaxKind.NumberKeyword | SyntaxKind.BigIntKeyword | SyntaxKind.ObjectKeyword | SyntaxKind.BooleanKeyword | SyntaxKind.StringKeyword | SyntaxKind.SymbolKeyword | SyntaxKind.ThisKeyword | SyntaxKind.VoidKeyword | SyntaxKind.UndefinedKeyword | SyntaxKind.NullKeyword | SyntaxKind.NeverKeyword;
+    }
+    export interface ImportTypeNode extends NodeWithTypeArguments {
+        kind: SyntaxKind.ImportType;
+        isTypeOf?: boolean;
+        argument: TypeNode;
+        qualifier?: EntityName;
+    }
+    export interface ThisTypeNode extends TypeNode {
+        kind: SyntaxKind.ThisType;
+    }
+    export type FunctionOrConstructorTypeNode = FunctionTypeNode | ConstructorTypeNode;
+    export interface FunctionOrConstructorTypeNodeBase extends TypeNode, SignatureDeclarationBase {
+        kind: SyntaxKind.FunctionType | SyntaxKind.ConstructorType;
+        type: TypeNode;
+    }
+    export interface FunctionTypeNode extends FunctionOrConstructorTypeNodeBase {
+        kind: SyntaxKind.FunctionType;
+    }
+    export interface ConstructorTypeNode extends FunctionOrConstructorTypeNodeBase {
+        kind: SyntaxKind.ConstructorType;
+    }
+    export interface NodeWithTypeArguments extends TypeNode {
+        typeArguments?: NodeArray<TypeNode>;
+    }
+    export type TypeReferenceType = TypeReferenceNode | ExpressionWithTypeArguments;
+    export interface TypeReferenceNode extends NodeWithTypeArguments {
+        kind: SyntaxKind.TypeReference;
+        typeName: EntityName;
+    }
+    export interface TypePredicateNode extends TypeNode {
+        kind: SyntaxKind.TypePredicate;
+        parent: SignatureDeclaration | JSDocTypeExpression;
+        assertsModifier?: AssertsToken;
+        parameterName: Identifier | ThisTypeNode;
+        type?: TypeNode;
+    }
+    export interface TypeQueryNode extends TypeNode {
+        kind: SyntaxKind.TypeQuery;
+        exprName: EntityName;
+    }
+    export interface TypeLiteralNode extends TypeNode, Declaration {
+        kind: SyntaxKind.TypeLiteral;
+        members: NodeArray<TypeElement>;
+    }
+    export interface ArrayTypeNode extends TypeNode {
+        kind: SyntaxKind.ArrayType;
+        elementType: TypeNode;
+    }
+    export interface TupleTypeNode extends TypeNode {
+        kind: SyntaxKind.TupleType;
+        elementTypes: NodeArray<TypeNode>;
+    }
+    export interface OptionalTypeNode extends TypeNode {
+        kind: SyntaxKind.OptionalType;
+        type: TypeNode;
+    }
+    export interface RestTypeNode extends TypeNode {
+        kind: SyntaxKind.RestType;
+        type: TypeNode;
+    }
+    export type UnionOrIntersectionTypeNode = UnionTypeNode | IntersectionTypeNode;
+    export interface UnionTypeNode extends TypeNode {
+        kind: SyntaxKind.UnionType;
+        types: NodeArray<TypeNode>;
+    }
+    export interface IntersectionTypeNode extends TypeNode {
+        kind: SyntaxKind.IntersectionType;
+        types: NodeArray<TypeNode>;
+    }
+    export interface ConditionalTypeNode extends TypeNode {
+        kind: SyntaxKind.ConditionalType;
+        checkType: TypeNode;
+        extendsType: TypeNode;
+        trueType: TypeNode;
+        falseType: TypeNode;
+    }
+    export interface InferTypeNode extends TypeNode {
+        kind: SyntaxKind.InferType;
+        typeParameter: TypeParameterDeclaration;
+    }
+    export interface ParenthesizedTypeNode extends TypeNode {
+        kind: SyntaxKind.ParenthesizedType;
+        type: TypeNode;
+    }
+    export interface TypeOperatorNode extends TypeNode {
+        kind: SyntaxKind.TypeOperator;
+        operator: SyntaxKind.KeyOfKeyword | SyntaxKind.UniqueKeyword | SyntaxKind.ReadonlyKeyword;
+        type: TypeNode;
+    }
+    export interface IndexedAccessTypeNode extends TypeNode {
+        kind: SyntaxKind.IndexedAccessType;
+        objectType: TypeNode;
+        indexType: TypeNode;
+    }
+    export interface MappedTypeNode extends TypeNode, Declaration {
+        kind: SyntaxKind.MappedType;
+        readonlyToken?: ReadonlyToken | PlusToken | MinusToken;
+        typeParameter: TypeParameterDeclaration;
+        questionToken?: QuestionToken | PlusToken | MinusToken;
+        type?: TypeNode;
+    }
+    export interface LiteralTypeNode extends TypeNode {
+        kind: SyntaxKind.LiteralType;
+        literal: BooleanLiteral | LiteralExpression | PrefixUnaryExpression;
+    }
+    export interface StringLiteral extends LiteralExpression, Declaration {
+        kind: SyntaxKind.StringLiteral;
+    }
+    export type StringLiteralLike = StringLiteral | NoSubstitutionTemplateLiteral;
+    export interface Expression extends Node {
+        _expressionBrand: any;
+    }
+    export interface OmittedExpression extends Expression {
+        kind: SyntaxKind.OmittedExpression;
+    }
+    export interface PartiallyEmittedExpression extends LeftHandSideExpression {
+        kind: SyntaxKind.PartiallyEmittedExpression;
+        expression: Expression;
+    }
+    export interface UnaryExpression extends Expression {
+        _unaryExpressionBrand: any;
+    }
+    /** Deprecated, please use UpdateExpression */
+    export type IncrementExpression = UpdateExpression;
+    export interface UpdateExpression extends UnaryExpression {
+        _updateExpressionBrand: any;
+    }
+    export type PrefixUnaryOperator = SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken | SyntaxKind.PlusToken | SyntaxKind.MinusToken | SyntaxKind.TildeToken | SyntaxKind.ExclamationToken;
+    export interface PrefixUnaryExpression extends UpdateExpression {
+        kind: SyntaxKind.PrefixUnaryExpression;
+        operator: PrefixUnaryOperator;
+        operand: UnaryExpression;
+    }
+    export type PostfixUnaryOperator = SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken;
+    export interface PostfixUnaryExpression extends UpdateExpression {
+        kind: SyntaxKind.PostfixUnaryExpression;
+        operand: LeftHandSideExpression;
+        operator: PostfixUnaryOperator;
+    }
+    export interface LeftHandSideExpression extends UpdateExpression {
+        _leftHandSideExpressionBrand: any;
+    }
+    export interface MemberExpression extends LeftHandSideExpression {
+        _memberExpressionBrand: any;
+    }
+    export interface PrimaryExpression extends MemberExpression {
+        _primaryExpressionBrand: any;
+    }
+    export interface NullLiteral extends PrimaryExpression, TypeNode {
+        kind: SyntaxKind.NullKeyword;
+    }
+    export interface BooleanLiteral extends PrimaryExpression, TypeNode {
+        kind: SyntaxKind.TrueKeyword | SyntaxKind.FalseKeyword;
+    }
+    export interface ThisExpression extends PrimaryExpression, KeywordTypeNode {
+        kind: SyntaxKind.ThisKeyword;
+    }
+    export interface SuperExpression extends PrimaryExpression {
+        kind: SyntaxKind.SuperKeyword;
+    }
+    export interface ImportExpression extends PrimaryExpression {
+        kind: SyntaxKind.ImportKeyword;
+    }
+    export interface DeleteExpression extends UnaryExpression {
+        kind: SyntaxKind.DeleteExpression;
+        expression: UnaryExpression;
+    }
+    export interface TypeOfExpression extends UnaryExpression {
+        kind: SyntaxKind.TypeOfExpression;
+        expression: UnaryExpression;
+    }
+    export interface VoidExpression extends UnaryExpression {
+        kind: SyntaxKind.VoidExpression;
+        expression: UnaryExpression;
+    }
+    export interface AwaitExpression extends UnaryExpression {
+        kind: SyntaxKind.AwaitExpression;
+        expression: UnaryExpression;
+    }
+    export interface YieldExpression extends Expression {
+        kind: SyntaxKind.YieldExpression;
+        asteriskToken?: AsteriskToken;
+        expression?: Expression;
+    }
+    export interface SyntheticExpression extends Expression {
+        kind: SyntaxKind.SyntheticExpression;
+        isSpread: boolean;
+        type: Type;
+    }
+    export type ExponentiationOperator = SyntaxKind.AsteriskAsteriskToken;
+    export type MultiplicativeOperator = SyntaxKind.AsteriskToken | SyntaxKind.SlashToken | SyntaxKind.PercentToken;
+    export type MultiplicativeOperatorOrHigher = ExponentiationOperator | MultiplicativeOperator;
+    export type AdditiveOperator = SyntaxKind.PlusToken | SyntaxKind.MinusToken;
+    export type AdditiveOperatorOrHigher = MultiplicativeOperatorOrHigher | AdditiveOperator;
+    export type ShiftOperator = SyntaxKind.LessThanLessThanToken | SyntaxKind.GreaterThanGreaterThanToken | SyntaxKind.GreaterThanGreaterThanGreaterThanToken;
+    export type ShiftOperatorOrHigher = AdditiveOperatorOrHigher | ShiftOperator;
+    export type RelationalOperator = SyntaxKind.LessThanToken | SyntaxKind.LessThanEqualsToken | SyntaxKind.GreaterThanToken | SyntaxKind.GreaterThanEqualsToken | SyntaxKind.InstanceOfKeyword | SyntaxKind.InKeyword;
+    export type RelationalOperatorOrHigher = ShiftOperatorOrHigher | RelationalOperator;
+    export type EqualityOperator = SyntaxKind.EqualsEqualsToken | SyntaxKind.EqualsEqualsEqualsToken | SyntaxKind.ExclamationEqualsEqualsToken | SyntaxKind.ExclamationEqualsToken;
+    export type EqualityOperatorOrHigher = RelationalOperatorOrHigher | EqualityOperator;
+    export type BitwiseOperator = SyntaxKind.AmpersandToken | SyntaxKind.BarToken | SyntaxKind.CaretToken;
+    export type BitwiseOperatorOrHigher = EqualityOperatorOrHigher | BitwiseOperator;
+    export type LogicalOperator = SyntaxKind.AmpersandAmpersandToken | SyntaxKind.BarBarToken;
+    export type LogicalOperatorOrHigher = BitwiseOperatorOrHigher | LogicalOperator;
+    export type CompoundAssignmentOperator = SyntaxKind.PlusEqualsToken | SyntaxKind.MinusEqualsToken | SyntaxKind.AsteriskAsteriskEqualsToken | SyntaxKind.AsteriskEqualsToken | SyntaxKind.SlashEqualsToken | SyntaxKind.PercentEqualsToken | SyntaxKind.AmpersandEqualsToken | SyntaxKind.BarEqualsToken | SyntaxKind.CaretEqualsToken | SyntaxKind.LessThanLessThanEqualsToken | SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken | SyntaxKind.GreaterThanGreaterThanEqualsToken;
+    export type AssignmentOperator = SyntaxKind.EqualsToken | CompoundAssignmentOperator;
+    export type AssignmentOperatorOrHigher = SyntaxKind.QuestionQuestionToken | LogicalOperatorOrHigher | AssignmentOperator;
+    export type BinaryOperator = AssignmentOperatorOrHigher | SyntaxKind.CommaToken;
+    export type BinaryOperatorToken = Token<BinaryOperator>;
+    export interface BinaryExpression extends Expression, Declaration {
+        kind: SyntaxKind.BinaryExpression;
+        left: Expression;
+        operatorToken: BinaryOperatorToken;
+        right: Expression;
+    }
+    export type AssignmentOperatorToken = Token<AssignmentOperator>;
+    export interface AssignmentExpression<TOperator extends AssignmentOperatorToken> extends BinaryExpression {
+        left: LeftHandSideExpression;
+        operatorToken: TOperator;
+    }
+    export interface ObjectDestructuringAssignment extends AssignmentExpression<EqualsToken> {
+        left: ObjectLiteralExpression;
+    }
+    export interface ArrayDestructuringAssignment extends AssignmentExpression<EqualsToken> {
+        left: ArrayLiteralExpression;
+    }
+    export type DestructuringAssignment = ObjectDestructuringAssignment | ArrayDestructuringAssignment;
+    export type BindingOrAssignmentElement = VariableDeclaration | ParameterDeclaration | BindingElement | PropertyAssignment | ShorthandPropertyAssignment | SpreadAssignment | OmittedExpression | SpreadElement | ArrayLiteralExpression | ObjectLiteralExpression | AssignmentExpression<EqualsToken> | Identifier | PropertyAccessExpression | ElementAccessExpression;
+    export type BindingOrAssignmentElementRestIndicator = DotDotDotToken | SpreadElement | SpreadAssignment;
+    export type BindingOrAssignmentElementTarget = BindingOrAssignmentPattern | Identifier | PropertyAccessExpression | ElementAccessExpression | OmittedExpression;
+    export type ObjectBindingOrAssignmentPattern = ObjectBindingPattern | ObjectLiteralExpression;
+    export type ArrayBindingOrAssignmentPattern = ArrayBindingPattern | ArrayLiteralExpression;
+    export type AssignmentPattern = ObjectLiteralExpression | ArrayLiteralExpression;
+    export type BindingOrAssignmentPattern = ObjectBindingOrAssignmentPattern | ArrayBindingOrAssignmentPattern;
+    export interface ConditionalExpression extends Expression {
+        kind: SyntaxKind.ConditionalExpression;
+        condition: Expression;
+        questionToken: QuestionToken;
+        whenTrue: Expression;
+        colonToken: ColonToken;
+        whenFalse: Expression;
+    }
+    export type FunctionBody = Block;
+    export type ConciseBody = FunctionBody | Expression;
+    export interface FunctionExpression extends PrimaryExpression, FunctionLikeDeclarationBase, JSDocContainer {
+        kind: SyntaxKind.FunctionExpression;
+        name?: Identifier;
+        body: FunctionBody;
+    }
+    export interface ArrowFunction extends Expression, FunctionLikeDeclarationBase, JSDocContainer {
+        kind: SyntaxKind.ArrowFunction;
+        equalsGreaterThanToken: EqualsGreaterThanToken;
+        body: ConciseBody;
+        name: never;
+    }
+    export interface LiteralLikeNode extends Node {
+        text: string;
+        isUnterminated?: boolean;
+        hasExtendedUnicodeEscape?: boolean;
+    }
+    export interface TemplateLiteralLikeNode extends LiteralLikeNode {
+        rawText?: string;
+    }
+    export interface LiteralExpression extends LiteralLikeNode, PrimaryExpression {
+        _literalExpressionBrand: any;
+    }
+    export interface RegularExpressionLiteral extends LiteralExpression {
+        kind: SyntaxKind.RegularExpressionLiteral;
+    }
+    export interface NoSubstitutionTemplateLiteral extends LiteralExpression, TemplateLiteralLikeNode, Declaration {
+        kind: SyntaxKind.NoSubstitutionTemplateLiteral;
+    }
+    export enum TokenFlags {
+        None = 0,
+        Scientific = 16,
+        Octal = 32,
+        HexSpecifier = 64,
+        BinarySpecifier = 128,
+        OctalSpecifier = 256,
+    }
+    export interface NumericLiteral extends LiteralExpression, Declaration {
+        kind: SyntaxKind.NumericLiteral;
+    }
+    export interface BigIntLiteral extends LiteralExpression {
+        kind: SyntaxKind.BigIntLiteral;
+    }
+    export interface TemplateHead extends TemplateLiteralLikeNode {
+        kind: SyntaxKind.TemplateHead;
+        parent: TemplateExpression;
+    }
+    export interface TemplateMiddle extends TemplateLiteralLikeNode {
+        kind: SyntaxKind.TemplateMiddle;
+        parent: TemplateSpan;
+    }
+    export interface TemplateTail extends TemplateLiteralLikeNode {
+        kind: SyntaxKind.TemplateTail;
+        parent: TemplateSpan;
+    }
+    export type TemplateLiteral = TemplateExpression | NoSubstitutionTemplateLiteral;
+    export interface TemplateExpression extends PrimaryExpression {
+        kind: SyntaxKind.TemplateExpression;
+        head: TemplateHead;
+        templateSpans: NodeArray<TemplateSpan>;
+    }
+    export interface TemplateSpan extends Node {
+        kind: SyntaxKind.TemplateSpan;
+        parent: TemplateExpression;
+        expression: Expression;
+        literal: TemplateMiddle | TemplateTail;
+    }
+    export interface ParenthesizedExpression extends PrimaryExpression, JSDocContainer {
+        kind: SyntaxKind.ParenthesizedExpression;
+        expression: Expression;
+    }
+    export interface ArrayLiteralExpression extends PrimaryExpression {
+        kind: SyntaxKind.ArrayLiteralExpression;
+        elements: NodeArray<Expression>;
+    }
+    export interface SpreadElement extends Expression {
+        kind: SyntaxKind.SpreadElement;
+        parent: ArrayLiteralExpression | CallExpression | NewExpression;
+        expression: Expression;
+    }
+    /**
+     * This interface is a base interface for ObjectLiteralExpression and JSXAttributes to extend from. JSXAttributes is similar to
+     * ObjectLiteralExpression in that it contains array of properties; however, JSXAttributes' properties can only be
+     * JSXAttribute or JSXSpreadAttribute. ObjectLiteralExpression, on the other hand, can only have properties of type
+     * ObjectLiteralElement (e.g. PropertyAssignment, ShorthandPropertyAssignment etc.)
+     */
+    export interface ObjectLiteralExpressionBase<T extends ObjectLiteralElement> extends PrimaryExpression, Declaration {
+        properties: NodeArray<T>;
+    }
+    export interface ObjectLiteralExpression extends ObjectLiteralExpressionBase<ObjectLiteralElementLike> {
+        kind: SyntaxKind.ObjectLiteralExpression;
+    }
+    export type EntityNameExpression = Identifier | PropertyAccessEntityNameExpression;
+    export type EntityNameOrEntityNameExpression = EntityName | EntityNameExpression;
+    export interface PropertyAccessExpression extends MemberExpression, NamedDeclaration {
+        kind: SyntaxKind.PropertyAccessExpression;
+        expression: LeftHandSideExpression;
+        questionDotToken?: QuestionDotToken;
+        name: Identifier | PrivateIdentifier;
+    }
+    export interface PropertyAccessChain extends PropertyAccessExpression {
+        _optionalChainBrand: any;
+        name: Identifier;
+    }
+    export interface SuperPropertyAccessExpression extends PropertyAccessExpression {
+        expression: SuperExpression;
+    }
+    /** Brand for a PropertyAccessExpression which, like a QualifiedName, consists of a sequence of identifiers separated by dots. */
+    export interface PropertyAccessEntityNameExpression extends PropertyAccessExpression {
+        _propertyAccessExpressionLikeQualifiedNameBrand?: any;
+        expression: EntityNameExpression;
+        name: Identifier;
+    }
+    export interface ElementAccessExpression extends MemberExpression {
+        kind: SyntaxKind.ElementAccessExpression;
+        expression: LeftHandSideExpression;
+        questionDotToken?: QuestionDotToken;
+        argumentExpression: Expression;
+    }
+    export interface ElementAccessChain extends ElementAccessExpression {
+        _optionalChainBrand: any;
+    }
+    export interface SuperElementAccessExpression extends ElementAccessExpression {
+        expression: SuperExpression;
+    }
+    export type SuperProperty = SuperPropertyAccessExpression | SuperElementAccessExpression;
+    export interface CallExpression extends LeftHandSideExpression, Declaration {
+        kind: SyntaxKind.CallExpression;
+        expression: LeftHandSideExpression;
+        questionDotToken?: QuestionDotToken;
+        typeArguments?: NodeArray<TypeNode>;
+        arguments: NodeArray<Expression>;
+    }
+    export interface CallChain extends CallExpression {
+        _optionalChainBrand: any;
+    }
+    export type OptionalChain = PropertyAccessChain | ElementAccessChain | CallChain | NonNullChain;
+    export interface SuperCall extends CallExpression {
+        expression: SuperExpression;
+    }
+    export interface ImportCall extends CallExpression {
+        expression: ImportExpression;
+    }
+    export interface ExpressionWithTypeArguments extends NodeWithTypeArguments {
+        kind: SyntaxKind.ExpressionWithTypeArguments;
+        parent: HeritageClause | JSDocAugmentsTag | JSDocImplementsTag;
+        expression: LeftHandSideExpression;
+    }
+    export interface NewExpression extends PrimaryExpression, Declaration {
+        kind: SyntaxKind.NewExpression;
+        expression: LeftHandSideExpression;
+        typeArguments?: NodeArray<TypeNode>;
+        arguments?: NodeArray<Expression>;
+    }
+    export interface TaggedTemplateExpression extends MemberExpression {
+        kind: SyntaxKind.TaggedTemplateExpression;
+        tag: LeftHandSideExpression;
+        typeArguments?: NodeArray<TypeNode>;
+        template: TemplateLiteral;
+    }
+    export type CallLikeExpression = CallExpression | NewExpression | TaggedTemplateExpression | Decorator | JsxOpeningLikeElement;
+    export interface AsExpression extends Expression {
+        kind: SyntaxKind.AsExpression;
+        expression: Expression;
+        type: TypeNode;
+    }
+    export interface TypeAssertion extends UnaryExpression {
+        kind: SyntaxKind.TypeAssertionExpression;
+        type: TypeNode;
+        expression: UnaryExpression;
+    }
+    export type AssertionExpression = TypeAssertion | AsExpression;
+    export interface NonNullExpression extends LeftHandSideExpression {
+        kind: SyntaxKind.NonNullExpression;
+        expression: Expression;
+    }
+    export interface NonNullChain extends NonNullExpression {
+        _optionalChainBrand: any;
+    }
+    export interface MetaProperty extends PrimaryExpression {
+        kind: SyntaxKind.MetaProperty;
+        keywordToken: SyntaxKind.NewKeyword | SyntaxKind.ImportKeyword;
+        name: Identifier;
+    }
+    export interface JsxElement extends PrimaryExpression {
+        kind: SyntaxKind.JsxElement;
+        openingElement: JsxOpeningElement;
+        children: NodeArray<JsxChild>;
+        closingElement: JsxClosingElement;
+    }
+    export type JsxOpeningLikeElement = JsxSelfClosingElement | JsxOpeningElement;
+    export type JsxAttributeLike = JsxAttribute | JsxSpreadAttribute;
+    export type JsxTagNameExpression = Identifier | ThisExpression | JsxTagNamePropertyAccess;
+    export interface JsxTagNamePropertyAccess extends PropertyAccessExpression {
+        expression: JsxTagNameExpression;
+    }
+    export interface JsxAttributes extends ObjectLiteralExpressionBase<JsxAttributeLike> {
+        kind: SyntaxKind.JsxAttributes;
+        parent: JsxOpeningLikeElement;
+    }
+    export interface JsxOpeningElement extends Expression {
+        kind: SyntaxKind.JsxOpeningElement;
+        parent: JsxElement;
+        tagName: JsxTagNameExpression;
+        typeArguments?: NodeArray<TypeNode>;
+        attributes: JsxAttributes;
+    }
+    export interface JsxSelfClosingElement extends PrimaryExpression {
+        kind: SyntaxKind.JsxSelfClosingElement;
+        tagName: JsxTagNameExpression;
+        typeArguments?: NodeArray<TypeNode>;
+        attributes: JsxAttributes;
+    }
+    export interface JsxFragment extends PrimaryExpression {
+        kind: SyntaxKind.JsxFragment;
+        openingFragment: JsxOpeningFragment;
+        children: NodeArray<JsxChild>;
+        closingFragment: JsxClosingFragment;
+    }
+    export interface JsxOpeningFragment extends Expression {
+        kind: SyntaxKind.JsxOpeningFragment;
+        parent: JsxFragment;
+    }
+    export interface JsxClosingFragment extends Expression {
+        kind: SyntaxKind.JsxClosingFragment;
+        parent: JsxFragment;
+    }
+    export interface JsxAttribute extends ObjectLiteralElement {
+        kind: SyntaxKind.JsxAttribute;
+        parent: JsxAttributes;
+        name: Identifier;
+        initializer?: StringLiteral | JsxExpression;
+    }
+    export interface JsxSpreadAttribute extends ObjectLiteralElement {
+        kind: SyntaxKind.JsxSpreadAttribute;
+        parent: JsxAttributes;
+        expression: Expression;
+    }
+    export interface JsxClosingElement extends Node {
+        kind: SyntaxKind.JsxClosingElement;
+        parent: JsxElement;
+        tagName: JsxTagNameExpression;
+    }
+    export interface JsxExpression extends Expression {
+        kind: SyntaxKind.JsxExpression;
+        parent: JsxElement | JsxAttributeLike;
+        dotDotDotToken?: Token<SyntaxKind.DotDotDotToken>;
+        expression?: Expression;
+    }
+    export interface JsxText extends LiteralLikeNode {
+        kind: SyntaxKind.JsxText;
+        containsOnlyTriviaWhiteSpaces: boolean;
+        parent: JsxElement;
+    }
+    export type JsxChild = JsxText | JsxExpression | JsxElement | JsxSelfClosingElement | JsxFragment;
+    export interface Statement extends Node {
+        _statementBrand: any;
+    }
+    export interface NotEmittedStatement extends Statement {
+        kind: SyntaxKind.NotEmittedStatement;
+    }
+    /**
+     * A list of comma-separated expressions. This node is only created by transformations.
+     */
+    export interface CommaListExpression extends Expression {
+        kind: SyntaxKind.CommaListExpression;
+        elements: NodeArray<Expression>;
+    }
+    export interface EmptyStatement extends Statement {
+        kind: SyntaxKind.EmptyStatement;
+    }
+    export interface DebuggerStatement extends Statement {
+        kind: SyntaxKind.DebuggerStatement;
+    }
+    export interface MissingDeclaration extends DeclarationStatement {
+        kind: SyntaxKind.MissingDeclaration;
+        name?: Identifier;
+    }
+    export type BlockLike = SourceFile | Block | ModuleBlock | CaseOrDefaultClause;
+    export interface Block extends Statement {
+        kind: SyntaxKind.Block;
+        statements: NodeArray<Statement>;
+    }
+    export interface VariableStatement extends Statement, JSDocContainer {
+        kind: SyntaxKind.VariableStatement;
+        declarationList: VariableDeclarationList;
+    }
+    export interface ExpressionStatement extends Statement, JSDocContainer {
+        kind: SyntaxKind.ExpressionStatement;
+        expression: Expression;
+    }
+    export interface IfStatement extends Statement {
+        kind: SyntaxKind.IfStatement;
+        expression: Expression;
+        thenStatement: Statement;
+        elseStatement?: Statement;
+    }
+    export interface IterationStatement extends Statement {
+        statement: Statement;
+    }
+    export interface DoStatement extends IterationStatement {
+        kind: SyntaxKind.DoStatement;
+        expression: Expression;
+    }
+    export interface WhileStatement extends IterationStatement {
+        kind: SyntaxKind.WhileStatement;
+        expression: Expression;
+    }
+    export type ForInitializer = VariableDeclarationList | Expression;
+    export interface ForStatement extends IterationStatement {
+        kind: SyntaxKind.ForStatement;
+        initializer?: ForInitializer;
+        condition?: Expression;
+        incrementor?: Expression;
+    }
+    export type ForInOrOfStatement = ForInStatement | ForOfStatement;
+    export interface ForInStatement extends IterationStatement {
+        kind: SyntaxKind.ForInStatement;
+        initializer: ForInitializer;
+        expression: Expression;
+    }
+    export interface ForOfStatement extends IterationStatement {
+        kind: SyntaxKind.ForOfStatement;
+        awaitModifier?: AwaitKeywordToken;
+        initializer: ForInitializer;
+        expression: Expression;
+    }
+    export interface BreakStatement extends Statement {
+        kind: SyntaxKind.BreakStatement;
+        label?: Identifier;
+    }
+    export interface ContinueStatement extends Statement {
+        kind: SyntaxKind.ContinueStatement;
+        label?: Identifier;
+    }
+    export type BreakOrContinueStatement = BreakStatement | ContinueStatement;
+    export interface ReturnStatement extends Statement {
+        kind: SyntaxKind.ReturnStatement;
+        expression?: Expression;
+    }
+    export interface WithStatement extends Statement {
+        kind: SyntaxKind.WithStatement;
+        expression: Expression;
+        statement: Statement;
+    }
+    export interface SwitchStatement extends Statement {
+        kind: SyntaxKind.SwitchStatement;
+        expression: Expression;
+        caseBlock: CaseBlock;
+        possiblyExhaustive?: boolean;
+    }
+    export interface CaseBlock extends Node {
+        kind: SyntaxKind.CaseBlock;
+        parent: SwitchStatement;
+        clauses: NodeArray<CaseOrDefaultClause>;
+    }
+    export interface CaseClause extends Node {
+        kind: SyntaxKind.CaseClause;
+        parent: CaseBlock;
+        expression: Expression;
+        statements: NodeArray<Statement>;
+    }
+    export interface DefaultClause extends Node {
+        kind: SyntaxKind.DefaultClause;
+        parent: CaseBlock;
+        statements: NodeArray<Statement>;
+    }
+    export type CaseOrDefaultClause = CaseClause | DefaultClause;
+    export interface LabeledStatement extends Statement, JSDocContainer {
+        kind: SyntaxKind.LabeledStatement;
+        label: Identifier;
+        statement: Statement;
+    }
+    export interface ThrowStatement extends Statement {
+        kind: SyntaxKind.ThrowStatement;
+        expression?: Expression;
+    }
+    export interface TryStatement extends Statement {
+        kind: SyntaxKind.TryStatement;
+        tryBlock: Block;
+        catchClause?: CatchClause;
+        finallyBlock?: Block;
+    }
+    export interface CatchClause extends Node {
+        kind: SyntaxKind.CatchClause;
+        parent: TryStatement;
+        variableDeclaration?: VariableDeclaration;
+        block: Block;
+    }
+    export type ObjectTypeDeclaration = ClassLikeDeclaration | InterfaceDeclaration | TypeLiteralNode;
+    export type DeclarationWithTypeParameters = DeclarationWithTypeParameterChildren | JSDocTypedefTag | JSDocCallbackTag | JSDocSignature;
+    export type DeclarationWithTypeParameterChildren = SignatureDeclaration | ClassLikeDeclaration | InterfaceDeclaration | TypeAliasDeclaration | JSDocTemplateTag;
+    export interface ClassLikeDeclarationBase extends NamedDeclaration, JSDocContainer {
+        kind: SyntaxKind.ClassDeclaration | SyntaxKind.ClassExpression;
+        name?: Identifier;
+        typeParameters?: NodeArray<TypeParameterDeclaration>;
+        heritageClauses?: NodeArray<HeritageClause>;
+        members: NodeArray<ClassElement>;
+    }
+    export interface ClassDeclaration extends ClassLikeDeclarationBase, DeclarationStatement {
+        kind: SyntaxKind.ClassDeclaration;
+        /** May be undefined in `export default class { ... }`. */
+        name?: Identifier;
+    }
+    export interface ClassExpression extends ClassLikeDeclarationBase, PrimaryExpression {
+        kind: SyntaxKind.ClassExpression;
+    }
+    export type ClassLikeDeclaration = ClassDeclaration | ClassExpression;
+    export interface ClassElement extends NamedDeclaration {
+        _classElementBrand: any;
+        name?: PropertyName;
+    }
+    export interface TypeElement extends NamedDeclaration {
+        _typeElementBrand: any;
+        name?: PropertyName;
+        questionToken?: QuestionToken;
+    }
+    export interface InterfaceDeclaration extends DeclarationStatement, JSDocContainer {
+        kind: SyntaxKind.InterfaceDeclaration;
+        name: Identifier;
+        typeParameters?: NodeArray<TypeParameterDeclaration>;
+        heritageClauses?: NodeArray<HeritageClause>;
+        members: NodeArray<TypeElement>;
+    }
+    export interface HeritageClause extends Node {
+        kind: SyntaxKind.HeritageClause;
+        parent: InterfaceDeclaration | ClassLikeDeclaration;
+        token: SyntaxKind.ExtendsKeyword | SyntaxKind.ImplementsKeyword;
+        types: NodeArray<ExpressionWithTypeArguments>;
+    }
+    export interface TypeAliasDeclaration extends DeclarationStatement, JSDocContainer {
+        kind: SyntaxKind.TypeAliasDeclaration;
+        name: Identifier;
+        typeParameters?: NodeArray<TypeParameterDeclaration>;
+        type: TypeNode;
+    }
+    export interface EnumMember extends NamedDeclaration, JSDocContainer {
+        kind: SyntaxKind.EnumMember;
+        parent: EnumDeclaration;
+        name: PropertyName;
+        initializer?: Expression;
+    }
+    export interface EnumDeclaration extends DeclarationStatement, JSDocContainer {
+        kind: SyntaxKind.EnumDeclaration;
+        name: Identifier;
+        members: NodeArray<EnumMember>;
+    }
+    export type ModuleName = Identifier | StringLiteral;
+    export type ModuleBody = NamespaceBody | JSDocNamespaceBody;
+    export interface ModuleDeclaration extends DeclarationStatement, JSDocContainer {
+        kind: SyntaxKind.ModuleDeclaration;
+        parent: ModuleBody | SourceFile;
+        name: ModuleName;
+        body?: ModuleBody | JSDocNamespaceDeclaration;
+    }
+    export type NamespaceBody = ModuleBlock | NamespaceDeclaration;
+    export interface NamespaceDeclaration extends ModuleDeclaration {
+        name: Identifier;
+        body: NamespaceBody;
+    }
+    export type JSDocNamespaceBody = Identifier | JSDocNamespaceDeclaration;
+    export interface JSDocNamespaceDeclaration extends ModuleDeclaration {
+        name: Identifier;
+        body?: JSDocNamespaceBody;
+    }
+    export interface ModuleBlock extends Node, Statement {
+        kind: SyntaxKind.ModuleBlock;
+        parent: ModuleDeclaration;
+        statements: NodeArray<Statement>;
+    }
+    export type ModuleReference = EntityName | ExternalModuleReference;
+    /**
+     * One of:
+     * - import x = require("mod");
+     * - import x = M.x;
+     */
+    export interface ImportEqualsDeclaration extends DeclarationStatement, JSDocContainer {
+        kind: SyntaxKind.ImportEqualsDeclaration;
+        parent: SourceFile | ModuleBlock;
+        name: Identifier;
+        moduleReference: ModuleReference;
+    }
+    export interface ExternalModuleReference extends Node {
+        kind: SyntaxKind.ExternalModuleReference;
+        parent: ImportEqualsDeclaration;
+        expression: Expression;
+    }
+    export interface ImportDeclaration extends Statement {
+        kind: SyntaxKind.ImportDeclaration;
+        parent: SourceFile | ModuleBlock;
+        importClause?: ImportClause;
+        /** If this is not a StringLiteral it will be a grammar error. */
+        moduleSpecifier: Expression;
+    }
+    export type NamedImportBindings = NamespaceImport | NamedImports;
+    export type NamedExportBindings = NamespaceExport | NamedExports;
+    export interface ImportClause extends NamedDeclaration {
+        kind: SyntaxKind.ImportClause;
+        parent: ImportDeclaration;
+        isTypeOnly: boolean;
+        name?: Identifier;
+        namedBindings?: NamedImportBindings;
+    }
+    export interface NamespaceImport extends NamedDeclaration {
+        kind: SyntaxKind.NamespaceImport;
+        parent: ImportClause;
+        name: Identifier;
+    }
+    export interface NamespaceExport extends NamedDeclaration {
+        kind: SyntaxKind.NamespaceExport;
+        parent: ExportDeclaration;
+        name: Identifier;
+    }
+    export interface NamespaceExportDeclaration extends DeclarationStatement {
+        kind: SyntaxKind.NamespaceExportDeclaration;
+        name: Identifier;
+    }
+    export interface ExportDeclaration extends DeclarationStatement, JSDocContainer {
+        kind: SyntaxKind.ExportDeclaration;
+        parent: SourceFile | ModuleBlock;
+        isTypeOnly: boolean;
+        /** Will not be assigned in the case of `export * from "foo";` */
+        exportClause?: NamedExportBindings;
+        /** If this is not a StringLiteral it will be a grammar error. */
+        moduleSpecifier?: Expression;
+    }
+    export interface NamedImports extends Node {
+        kind: SyntaxKind.NamedImports;
+        parent: ImportClause;
+        elements: NodeArray<ImportSpecifier>;
+    }
+    export interface NamedExports extends Node {
+        kind: SyntaxKind.NamedExports;
+        parent: ExportDeclaration;
+        elements: NodeArray<ExportSpecifier>;
+    }
+    export type NamedImportsOrExports = NamedImports | NamedExports;
+    export interface ImportSpecifier extends NamedDeclaration {
+        kind: SyntaxKind.ImportSpecifier;
+        parent: NamedImports;
+        propertyName?: Identifier;
+        name: Identifier;
+    }
+    export interface ExportSpecifier extends NamedDeclaration {
+        kind: SyntaxKind.ExportSpecifier;
+        parent: NamedExports;
+        propertyName?: Identifier;
+        name: Identifier;
+    }
+    export type ImportOrExportSpecifier = ImportSpecifier | ExportSpecifier;
+    export type TypeOnlyCompatibleAliasDeclaration = ImportClause | NamespaceImport | ImportOrExportSpecifier;
+    /**
+     * This is either an `export =` or an `export default` declaration.
+     * Unless `isExportEquals` is set, this node was parsed as an `export default`.
+     */
+    export interface ExportAssignment extends DeclarationStatement {
+        kind: SyntaxKind.ExportAssignment;
+        parent: SourceFile;
+        isExportEquals?: boolean;
+        expression: Expression;
+    }
+    export interface FileReference extends TextRange {
+        fileName: string;
+    }
+    export interface CheckJsDirective extends TextRange {
+        enabled: boolean;
+    }
+    export type CommentKind = SyntaxKind.SingleLineCommentTrivia | SyntaxKind.MultiLineCommentTrivia;
+    export interface CommentRange extends TextRange {
+        hasTrailingNewLine?: boolean;
+        kind: CommentKind;
+    }
+    export interface SynthesizedComment extends CommentRange {
+        text: string;
+        pos: -1;
+        end: -1;
+    }
+    export interface JSDocTypeExpression extends TypeNode {
+        kind: SyntaxKind.JSDocTypeExpression;
+        type: TypeNode;
+    }
+    export interface JSDocType extends TypeNode {
+        _jsDocTypeBrand: any;
+    }
+    export interface JSDocAllType extends JSDocType {
+        kind: SyntaxKind.JSDocAllType;
+    }
+    export interface JSDocUnknownType extends JSDocType {
+        kind: SyntaxKind.JSDocUnknownType;
+    }
+    export interface JSDocNonNullableType extends JSDocType {
+        kind: SyntaxKind.JSDocNonNullableType;
+        type: TypeNode;
+    }
+    export interface JSDocNullableType extends JSDocType {
+        kind: SyntaxKind.JSDocNullableType;
+        type: TypeNode;
+    }
+    export interface JSDocOptionalType extends JSDocType {
+        kind: SyntaxKind.JSDocOptionalType;
+        type: TypeNode;
+    }
+    export interface JSDocFunctionType extends JSDocType, SignatureDeclarationBase {
+        kind: SyntaxKind.JSDocFunctionType;
+    }
+    export interface JSDocVariadicType extends JSDocType {
+        kind: SyntaxKind.JSDocVariadicType;
+        type: TypeNode;
+    }
+    export interface JSDocNamepathType extends JSDocType {
+        kind: SyntaxKind.JSDocNamepathType;
+        type: TypeNode;
+    }
+    export type JSDocTypeReferencingNode = JSDocVariadicType | JSDocOptionalType | JSDocNullableType | JSDocNonNullableType;
+    export interface JSDoc extends Node {
+        kind: SyntaxKind.JSDocComment;
+        parent: HasJSDoc;
+        tags?: NodeArray<JSDocTag>;
+        comment?: string;
+    }
+    export interface JSDocTag extends Node {
+        parent: JSDoc | JSDocTypeLiteral;
+        tagName: Identifier;
+        comment?: string;
+    }
+    export interface JSDocUnknownTag extends JSDocTag {
+        kind: SyntaxKind.JSDocTag;
+    }
+    /**
+     * Note that `@extends` is a synonym of `@augments`.
+     * Both tags are represented by this interface.
+     */
+    export interface JSDocAugmentsTag extends JSDocTag {
+        kind: SyntaxKind.JSDocAugmentsTag;
+        class: ExpressionWithTypeArguments & {
+            expression: Identifier | PropertyAccessEntityNameExpression;
+        };
+    }
+    export interface JSDocImplementsTag extends JSDocTag {
+        kind: SyntaxKind.JSDocImplementsTag;
+        class: ExpressionWithTypeArguments & {
+            expression: Identifier | PropertyAccessEntityNameExpression;
+        };
+    }
+    export interface JSDocAuthorTag extends JSDocTag {
+        kind: SyntaxKind.JSDocAuthorTag;
+    }
+    export interface JSDocClassTag extends JSDocTag {
+        kind: SyntaxKind.JSDocClassTag;
+    }
+    export interface JSDocPublicTag extends JSDocTag {
+        kind: SyntaxKind.JSDocPublicTag;
+    }
+    export interface JSDocPrivateTag extends JSDocTag {
+        kind: SyntaxKind.JSDocPrivateTag;
+    }
+    export interface JSDocProtectedTag extends JSDocTag {
+        kind: SyntaxKind.JSDocProtectedTag;
+    }
+    export interface JSDocReadonlyTag extends JSDocTag {
+        kind: SyntaxKind.JSDocReadonlyTag;
+    }
+    export interface JSDocEnumTag extends JSDocTag, Declaration {
+        parent: JSDoc;
+        kind: SyntaxKind.JSDocEnumTag;
+        typeExpression?: JSDocTypeExpression;
+    }
+    export interface JSDocThisTag extends JSDocTag {
+        kind: SyntaxKind.JSDocThisTag;
+        typeExpression?: JSDocTypeExpression;
+    }
+    export interface JSDocTemplateTag extends JSDocTag {
+        kind: SyntaxKind.JSDocTemplateTag;
+        constraint: JSDocTypeExpression | undefined;
+        typeParameters: NodeArray<TypeParameterDeclaration>;
+    }
+    export interface JSDocReturnTag extends JSDocTag {
+        kind: SyntaxKind.JSDocReturnTag;
+        typeExpression?: JSDocTypeExpression;
+    }
+    export interface JSDocTypeTag extends JSDocTag {
+        kind: SyntaxKind.JSDocTypeTag;
+        typeExpression: JSDocTypeExpression;
+    }
+    export interface JSDocTypedefTag extends JSDocTag, NamedDeclaration {
+        parent: JSDoc;
+        kind: SyntaxKind.JSDocTypedefTag;
+        fullName?: JSDocNamespaceDeclaration | Identifier;
+        name?: Identifier;
+        typeExpression?: JSDocTypeExpression | JSDocTypeLiteral;
+    }
+    export interface JSDocCallbackTag extends JSDocTag, NamedDeclaration {
+        parent: JSDoc;
+        kind: SyntaxKind.JSDocCallbackTag;
+        fullName?: JSDocNamespaceDeclaration | Identifier;
+        name?: Identifier;
+        typeExpression: JSDocSignature;
+    }
+    export interface JSDocSignature extends JSDocType, Declaration {
+        kind: SyntaxKind.JSDocSignature;
+        typeParameters?: readonly JSDocTemplateTag[];
+        parameters: readonly JSDocParameterTag[];
+        type: JSDocReturnTag | undefined;
+    }
+    export interface JSDocPropertyLikeTag extends JSDocTag, Declaration {
+        parent: JSDoc;
+        name: EntityName;
+        typeExpression?: JSDocTypeExpression;
+        /** Whether the property name came before the type -- non-standard for JSDoc, but Typescript-like */
+        isNameFirst: boolean;
+        isBracketed: boolean;
+    }
+    export interface JSDocPropertyTag extends JSDocPropertyLikeTag {
+        kind: SyntaxKind.JSDocPropertyTag;
+    }
+    export interface JSDocParameterTag extends JSDocPropertyLikeTag {
+        kind: SyntaxKind.JSDocParameterTag;
+    }
+    export interface JSDocTypeLiteral extends JSDocType {
+        kind: SyntaxKind.JSDocTypeLiteral;
+        jsDocPropertyTags?: readonly JSDocPropertyLikeTag[];
+        /** If true, then this type literal represents an *array* of its type. */
+        isArrayType?: boolean;
+    }
+    export enum FlowFlags {
+        Unreachable = 1,
+        Start = 2,
+        BranchLabel = 4,
+        LoopLabel = 8,
+        Assignment = 16,
+        TrueCondition = 32,
+        FalseCondition = 64,
+        SwitchClause = 128,
+        ArrayMutation = 256,
+        Call = 512,
+        ReduceLabel = 1024,
+        Referenced = 2048,
+        Shared = 4096,
+        Label = 12,
+        Condition = 96
+    }
+    export type FlowNode = AfterFinallyFlow | PreFinallyFlow | FlowStart | FlowLabel | FlowAssignment | FlowCall | FlowCondition | FlowSwitchClause | FlowArrayMutation;
+    export interface FlowNodeBase {
+        flags: FlowFlags;
+        id?: number;
+    }
+    export interface FlowLock {
+        locked?: boolean;
+    }
+    export interface AfterFinallyFlow extends FlowNodeBase, FlowLock {
+        antecedent: FlowNode;
+    }
+    export interface PreFinallyFlow extends FlowNodeBase {
+        antecedent: FlowNode;
+        lock: FlowLock;
+    }
+    export interface FlowStart extends FlowNodeBase {
+        node?: FunctionExpression | ArrowFunction | MethodDeclaration;
+    }
+    export interface FlowLabel extends FlowNodeBase {
+        antecedents: FlowNode[] | undefined;
+    }
+    export interface FlowAssignment extends FlowNodeBase {
+        node: Expression | VariableDeclaration | BindingElement;
+        antecedent: FlowNode;
+    }
+    export interface FlowCall extends FlowNodeBase {
+        node: CallExpression;
+        antecedent: FlowNode;
+    }
+    export interface FlowCondition extends FlowNodeBase {
+        node: Expression;
+        antecedent: FlowNode;
+    }
+    export interface FlowSwitchClause extends FlowNodeBase {
+        switchStatement: SwitchStatement;
+        clauseStart: number;
+        clauseEnd: number;
+        antecedent: FlowNode;
+    }
+    export interface FlowArrayMutation extends FlowNodeBase {
+        node: CallExpression | BinaryExpression;
+        antecedent: FlowNode;
+    }
+    export interface FlowReduceLabel extends FlowNodeBase {
+        target: FlowLabel;
+        antecedents: FlowNode[];
+        antecedent: FlowNode;
+    }
+    export type FlowType = Type | IncompleteType;
+    export interface IncompleteType {
+        flags: TypeFlags;
+        type: Type;
+    }
+    export interface AmdDependency {
+        path: string;
+        name?: string;
+    }
+    export interface SourceFile extends Declaration {
+        kind: SyntaxKind.SourceFile;
+        statements: NodeArray<Statement>;
+        endOfFileToken: Token<SyntaxKind.EndOfFileToken>;
+        fileName: string;
+        text: string;
+        amdDependencies: readonly AmdDependency[];
+        moduleName?: string;
+        referencedFiles: readonly FileReference[];
+        typeReferenceDirectives: readonly FileReference[];
+        libReferenceDirectives: readonly FileReference[];
+        languageVariant: LanguageVariant;
+        isDeclarationFile: boolean;
+        /**
+         * lib.d.ts should have a reference comment like
+         *
+         *  /// <reference no-default-lib="true"/>
+         *
+         * If any other file has this comment, it signals not to include lib.d.ts
+         * because this containing file is intended to act as a default library.
+         */
+        hasNoDefaultLib: boolean;
+        languageVersion: ScriptTarget;
+    }
+    export interface Bundle extends Node {
+        kind: SyntaxKind.Bundle;
+        prepends: readonly (InputFiles | UnparsedSource)[];
+        sourceFiles: readonly SourceFile[];
+    }
+    export interface InputFiles extends Node {
+        kind: SyntaxKind.InputFiles;
+        javascriptPath?: string;
+        javascriptText: string;
+        javascriptMapPath?: string;
+        javascriptMapText?: string;
+        declarationPath?: string;
+        declarationText: string;
+        declarationMapPath?: string;
+        declarationMapText?: string;
+    }
+    export interface UnparsedSource extends Node {
+        kind: SyntaxKind.UnparsedSource;
+        fileName: string;
+        text: string;
+        prologues: readonly UnparsedPrologue[];
+        helpers: readonly UnscopedEmitHelper[] | undefined;
+        referencedFiles: readonly FileReference[];
+        typeReferenceDirectives: readonly string[] | undefined;
+        libReferenceDirectives: readonly FileReference[];
+        hasNoDefaultLib?: boolean;
+        sourceMapPath?: string;
+        sourceMapText?: string;
+        syntheticReferences?: readonly UnparsedSyntheticReference[];
+        texts: readonly UnparsedSourceText[];
+    }
+    export type UnparsedSourceText = UnparsedPrepend | UnparsedTextLike;
+    export type UnparsedNode = UnparsedPrologue | UnparsedSourceText | UnparsedSyntheticReference;
+    export interface UnparsedSection extends Node {
+        kind: SyntaxKind;
+        data?: string;
+        parent: UnparsedSource;
+    }
+    export interface UnparsedPrologue extends UnparsedSection {
+        kind: SyntaxKind.UnparsedPrologue;
+        data: string;
+        parent: UnparsedSource;
+    }
+    export interface UnparsedPrepend extends UnparsedSection {
+        kind: SyntaxKind.UnparsedPrepend;
+        data: string;
+        parent: UnparsedSource;
+        texts: readonly UnparsedTextLike[];
+    }
+    export interface UnparsedTextLike extends UnparsedSection {
+        kind: SyntaxKind.UnparsedText | SyntaxKind.UnparsedInternalText;
+        parent: UnparsedSource;
+    }
+    export interface UnparsedSyntheticReference extends UnparsedSection {
+        kind: SyntaxKind.UnparsedSyntheticReference;
+        parent: UnparsedSource;
+    }
+    export interface JsonSourceFile extends SourceFile {
+        statements: NodeArray<JsonObjectExpressionStatement>;
+    }
+    export interface TsConfigSourceFile extends JsonSourceFile {
+        extendedSourceFiles?: string[];
+    }
+    export interface JsonMinusNumericLiteral extends PrefixUnaryExpression {
+        kind: SyntaxKind.PrefixUnaryExpression;
+        operator: SyntaxKind.MinusToken;
+        operand: NumericLiteral;
+    }
+    export interface JsonObjectExpressionStatement extends ExpressionStatement {
+        expression: ObjectLiteralExpression | ArrayLiteralExpression | JsonMinusNumericLiteral | NumericLiteral | StringLiteral | BooleanLiteral | NullLiteral;
+    }
+    export interface ScriptReferenceHost {
+        getCompilerOptions(): CompilerOptions;
+        getSourceFile(fileName: string): SourceFile | undefined;
+        getSourceFileByPath(path: Path): SourceFile | undefined;
+        getCurrentDirectory(): string;
+    }
+    export interface ParseConfigHost {
+        useCaseSensitiveFileNames: boolean;
+        readDirectory(rootDir: string, extensions: readonly string[], excludes: readonly string[] | undefined, includes: readonly string[], depth?: number): readonly string[];
+        /**
+         * Gets a value indicating whether the specified path exists and is a file.
+         * @param path The path to test.
+         */
+        fileExists(path: string): boolean;
+        readFile(path: string): string | undefined;
+        trace?(s: string): void;
+    }
+    /**
+     * Branded string for keeping track of when we've turned an ambiguous path
+     * specified like "./blah" to an absolute path to an actual
+     * tsconfig file, e.g. "/root/blah/tsconfig.json"
+     */
+    export type ResolvedConfigFileName = string & {
+        _isResolvedConfigFileName: never;
+    };
+    export type WriteFileCallback = (fileName: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void, sourceFiles?: readonly SourceFile[]) => void;
+    export class OperationCanceledException {
+    }
+    export interface CancellationToken {
+        isCancellationRequested(): boolean;
+        /** @throws OperationCanceledException if isCancellationRequested is true */
+        throwIfCancellationRequested(): void;
+    }
+    export interface Program extends ScriptReferenceHost {
+        getCurrentDirectory(): string;
+        /**
+         * Get a list of root file names that were passed to a 'createProgram'
+         */
+        getRootFileNames(): readonly string[];
+        /**
+         * Get a list of files in the program
+         */
+        getSourceFiles(): readonly SourceFile[];
+        /**
+         * Emits the JavaScript and declaration files.  If targetSourceFile is not specified, then
+         * the JavaScript and declaration files will be produced for all the files in this program.
+         * If targetSourceFile is specified, then only the JavaScript and declaration for that
+         * specific file will be generated.
+         *
+         * If writeFile is not specified then the writeFile callback from the compiler host will be
+         * used for writing the JavaScript and declaration files.  Otherwise, the writeFile parameter
+         * will be invoked when writing the JavaScript and declaration files.
+         */
+        emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean, customTransformers?: CustomTransformers): EmitResult;
+        getOptionsDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
+        getGlobalDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
+        getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly DiagnosticWithLocation[];
+        /** The first time this is called, it will return global diagnostics (no location). */
+        getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
+        getDeclarationDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly DiagnosticWithLocation[];
+        getConfigFileParsingDiagnostics(): readonly Diagnostic[];
+        /**
+         * Gets a type checker that can be used to semantically analyze source files in the program.
+         */
+        getTypeChecker(): TypeChecker;
+        getNodeCount(): number;
+        getIdentifierCount(): number;
+        getSymbolCount(): number;
+        getTypeCount(): number;
+        getInstantiationCount(): number;
+        getRelationCacheSizes(): {
+            assignable: number;
+            identity: number;
+            subtype: number;
+            strictSubtype: number;
+        };
+        isSourceFileFromExternalLibrary(file: SourceFile): boolean;
+        isSourceFileDefaultLibrary(file: SourceFile): boolean;
+        getProjectReferences(): readonly ProjectReference[] | undefined;
+        getResolvedProjectReferences(): readonly (ResolvedProjectReference | undefined)[] | undefined;
+    }
+    export interface ResolvedProjectReference {
+        commandLine: ParsedCommandLine;
+        sourceFile: SourceFile;
+        references?: readonly (ResolvedProjectReference | undefined)[];
+    }
+    export type CustomTransformerFactory = (context: TransformationContext) => CustomTransformer;
+    export interface CustomTransformer {
+        transformSourceFile(node: SourceFile): SourceFile;
+        transformBundle(node: Bundle): Bundle;
+    }
+    export interface CustomTransformers {
+        /** Custom transformers to evaluate before built-in .js transformations. */
+        before?: (TransformerFactory<SourceFile> | CustomTransformerFactory)[];
+        /** Custom transformers to evaluate after built-in .js transformations. */
+        after?: (TransformerFactory<SourceFile> | CustomTransformerFactory)[];
+        /** Custom transformers to evaluate after built-in .d.ts transformations. */
+        afterDeclarations?: (TransformerFactory<Bundle | SourceFile> | CustomTransformerFactory)[];
+    }
+    export interface SourceMapSpan {
+        /** Line number in the .js file. */
+        emittedLine: number;
+        /** Column number in the .js file. */
+        emittedColumn: number;
+        /** Line number in the .ts file. */
+        sourceLine: number;
+        /** Column number in the .ts file. */
+        sourceColumn: number;
+        /** Optional name (index into names array) associated with this span. */
+        nameIndex?: number;
+        /** .ts file (index into sources array) associated with this span */
+        sourceIndex: number;
+    }
+    /** Return code used by getEmitOutput function to indicate status of the function */
+    export enum ExitStatus {
+        Success = 0,
+        DiagnosticsPresent_OutputsSkipped = 1,
+        DiagnosticsPresent_OutputsGenerated = 2,
+        InvalidProject_OutputsSkipped = 3,
+        ProjectReferenceCycle_OutputsSkipped = 4,
+        /** @deprecated Use ProjectReferenceCycle_OutputsSkipped instead. */
+        ProjectReferenceCycle_OutputsSkupped = 4
+    }
+    export interface EmitResult {
+        emitSkipped: boolean;
+        /** Contains declaration emit diagnostics */
+        diagnostics: readonly Diagnostic[];
+        emittedFiles?: string[];
+    }
+    export interface TypeChecker {
+        getTypeOfSymbolAtLocation(symbol: Symbol, node: Node): Type;
+        getDeclaredTypeOfSymbol(symbol: Symbol): Type;
+        getPropertiesOfType(type: Type): Symbol[];
+        getPropertyOfType(type: Type, propertyName: string): Symbol | undefined;
+        getPrivateIdentifierPropertyOfType(leftType: Type, name: string, location: Node): Symbol | undefined;
+        getIndexInfoOfType(type: Type, kind: IndexKind): IndexInfo | undefined;
+        getSignaturesOfType(type: Type, kind: SignatureKind): readonly Signature[];
+        getIndexTypeOfType(type: Type, kind: IndexKind): Type | undefined;
+        getBaseTypes(type: InterfaceType): BaseType[];
+        getBaseTypeOfLiteralType(type: Type): Type;
+        getWidenedType(type: Type): Type;
+        getReturnTypeOfSignature(signature: Signature): Type;
+        getNullableType(type: Type, flags: TypeFlags): Type;
+        getNonNullableType(type: Type): Type;
+        getTypeArguments(type: TypeReference): readonly Type[];
+        /** Note that the resulting nodes cannot be checked. */
+        typeToTypeNode(type: Type, enclosingDeclaration?: Node, flags?: NodeBuilderFlags): TypeNode | undefined;
+        /** Note that the resulting nodes cannot be checked. */
+        signatureToSignatureDeclaration(signature: Signature, kind: SyntaxKind, enclosingDeclaration?: Node, flags?: NodeBuilderFlags): (SignatureDeclaration & {
+            typeArguments?: NodeArray<TypeNode>;
+        }) | undefined;
+        /** Note that the resulting nodes cannot be checked. */
+        indexInfoToIndexSignatureDeclaration(indexInfo: IndexInfo, kind: IndexKind, enclosingDeclaration?: Node, flags?: NodeBuilderFlags): IndexSignatureDeclaration | undefined;
+        /** Note that the resulting nodes cannot be checked. */
+        symbolToEntityName(symbol: Symbol, meaning: SymbolFlags, enclosingDeclaration?: Node, flags?: NodeBuilderFlags): EntityName | undefined;
+        /** Note that the resulting nodes cannot be checked. */
+        symbolToExpression(symbol: Symbol, meaning: SymbolFlags, enclosingDeclaration?: Node, flags?: NodeBuilderFlags): Expression | undefined;
+        /** Note that the resulting nodes cannot be checked. */
+        symbolToTypeParameterDeclarations(symbol: Symbol, enclosingDeclaration?: Node, flags?: NodeBuilderFlags): NodeArray<TypeParameterDeclaration> | undefined;
+        /** Note that the resulting nodes cannot be checked. */
+        symbolToParameterDeclaration(symbol: Symbol, enclosingDeclaration?: Node, flags?: NodeBuilderFlags): ParameterDeclaration | undefined;
+        /** Note that the resulting nodes cannot be checked. */
+        typeParameterToDeclaration(parameter: TypeParameter, enclosingDeclaration?: Node, flags?: NodeBuilderFlags): TypeParameterDeclaration | undefined;
+        getSymbolsInScope(location: Node, meaning: SymbolFlags): Symbol[];
+        getSymbolAtLocation(node: Node): Symbol | undefined;
+        getSymbolsOfParameterPropertyDeclaration(parameter: ParameterDeclaration, parameterName: string): Symbol[];
+        /**
+         * The function returns the value (local variable) symbol of an identifier in the short-hand property assignment.
+         * This is necessary as an identifier in short-hand property assignment can contains two meaning: property name and property value.
+         */
+        getShorthandAssignmentValueSymbol(location: Node): Symbol | undefined;
+        getExportSpecifierLocalTargetSymbol(location: ExportSpecifier): Symbol | undefined;
+        /**
+         * If a symbol is a local symbol with an associated exported symbol, returns the exported symbol.
+         * Otherwise returns its input.
+         * For example, at `export type T = number;`:
+         *     - `getSymbolAtLocation` at the location `T` will return the exported symbol for `T`.
+         *     - But the result of `getSymbolsInScope` will contain the *local* symbol for `T`, not the exported symbol.
+         *     - Calling `getExportSymbolOfSymbol` on that local symbol will return the exported symbol.
+         */
+        getExportSymbolOfSymbol(symbol: Symbol): Symbol;
+        getPropertySymbolOfDestructuringAssignment(location: Identifier): Symbol | undefined;
+        getTypeOfAssignmentPattern(pattern: AssignmentPattern): Type;
+        getTypeAtLocation(node: Node): Type;
+        getTypeFromTypeNode(node: TypeNode): Type;
+        signatureToString(signature: Signature, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): string;
+        typeToString(type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string;
+        symbolToString(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags, flags?: SymbolFormatFlags): string;
+        typePredicateToString(predicate: TypePredicate, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string;
+        getFullyQualifiedName(symbol: Symbol): string;
+        getAugmentedPropertiesOfType(type: Type): Symbol[];
+        getRootSymbols(symbol: Symbol): readonly Symbol[];
+        getContextualType(node: Expression): Type | undefined;
+        /**
+         * returns unknownSignature in the case of an error.
+         * returns undefined if the node is not valid.
+         * @param argumentCount Apparent number of arguments, passed in case of a possibly incomplete call. This should come from an ArgumentListInfo. See `signatureHelp.ts`.
+         */
+        getResolvedSignature(node: CallLikeExpression, candidatesOutArray?: Signature[], argumentCount?: number): Signature | undefined;
+        getSignatureFromDeclaration(declaration: SignatureDeclaration): Signature | undefined;
+        isImplementationOfOverload(node: SignatureDeclaration): boolean | undefined;
+        isUndefinedSymbol(symbol: Symbol): boolean;
+        isArgumentsSymbol(symbol: Symbol): boolean;
+        isUnknownSymbol(symbol: Symbol): boolean;
+        getConstantValue(node: EnumMember | PropertyAccessExpression | ElementAccessExpression): string | number | undefined;
+        isValidPropertyAccess(node: PropertyAccessExpression | QualifiedName | ImportTypeNode, propertyName: string): boolean;
+        /** Follow all aliases to get the original symbol. */
+        getAliasedSymbol(symbol: Symbol): Symbol;
+        getExportsOfModule(moduleSymbol: Symbol): Symbol[];
+        getJsxIntrinsicTagNamesAt(location: Node): Symbol[];
+        isOptionalParameter(node: ParameterDeclaration): boolean;
+        getAmbientModules(): Symbol[];
+        tryGetMemberInModuleExports(memberName: string, moduleSymbol: Symbol): Symbol | undefined;
+        getApparentType(type: Type): Type;
+        getBaseConstraintOfType(type: Type): Type | undefined;
+        getDefaultFromTypeParameter(type: Type): Type | undefined;
+        /**
+         * Depending on the operation performed, it may be appropriate to throw away the checker
+         * if the cancellation token is triggered. Typically, if it is used for error checking
+         * and the operation is cancelled, then it should be discarded, otherwise it is safe to keep.
+         */
+        runWithCancellationToken<T>(token: CancellationToken, cb: (checker: TypeChecker) => T): T;
+    }
+    export enum NodeBuilderFlags {
+        None = 0,
+        NoTruncation = 1,
+        WriteArrayAsGenericType = 2,
+        GenerateNamesForShadowedTypeParams = 4,
+        UseStructuralFallback = 8,
+        ForbidIndexedAccessSymbolReferences = 16,
+        WriteTypeArgumentsOfSignature = 32,
+        UseFullyQualifiedType = 64,
+        UseOnlyExternalAliasing = 128,
+        SuppressAnyReturnType = 256,
+        WriteTypeParametersInQualifiedName = 512,
+        MultilineObjectLiterals = 1024,
+        WriteClassExpressionAsTypeLiteral = 2048,
+        UseTypeOfFunction = 4096,
+        OmitParameterModifiers = 8192,
+        UseAliasDefinedOutsideCurrentScope = 16384,
+        UseSingleQuotesForStringLiteralType = 268435456,
+        NoTypeReduction = 536870912,
+        AllowThisInObjectLiteral = 32768,
+        AllowQualifedNameInPlaceOfIdentifier = 65536,
+        AllowAnonymousIdentifier = 131072,
+        AllowEmptyUnionOrIntersection = 262144,
+        AllowEmptyTuple = 524288,
+        AllowUniqueESSymbolType = 1048576,
+        AllowEmptyIndexInfoType = 2097152,
+        AllowNodeModulesRelativePaths = 67108864,
+        IgnoreErrors = 70221824,
+        InObjectTypeLiteral = 4194304,
+        InTypeAlias = 8388608,
+        InInitialEntityName = 16777216,
+        InReverseMappedType = 33554432
+    }
+    export enum TypeFormatFlags {
+        None = 0,
+        NoTruncation = 1,
+        WriteArrayAsGenericType = 2,
+        UseStructuralFallback = 8,
+        WriteTypeArgumentsOfSignature = 32,
+        UseFullyQualifiedType = 64,
+        SuppressAnyReturnType = 256,
+        MultilineObjectLiterals = 1024,
+        WriteClassExpressionAsTypeLiteral = 2048,
+        UseTypeOfFunction = 4096,
+        OmitParameterModifiers = 8192,
+        UseAliasDefinedOutsideCurrentScope = 16384,
+        UseSingleQuotesForStringLiteralType = 268435456,
+        NoTypeReduction = 536870912,
+        AllowUniqueESSymbolType = 1048576,
+        AddUndefined = 131072,
+        WriteArrowStyleSignature = 262144,
+        InArrayType = 524288,
+        InElementType = 2097152,
+        InFirstTypeArgument = 4194304,
+        InTypeAlias = 8388608,
+        /** @deprecated */ WriteOwnNameForAnyLike = 0,
+        NodeBuilderFlagsMask = 814775659
+    }
+    export enum SymbolFormatFlags {
+        None = 0,
+        WriteTypeParametersOrArguments = 1,
+        UseOnlyExternalAliasing = 2,
+        AllowAnyNodeKind = 4,
+        UseAliasDefinedOutsideCurrentScope = 8,
+    }
+    export enum TypePredicateKind {
+        This = 0,
+        Identifier = 1,
+        AssertsThis = 2,
+        AssertsIdentifier = 3
+    }
+    export interface TypePredicateBase {
+        kind: TypePredicateKind;
+        type: Type | undefined;
+    }
+    export interface ThisTypePredicate extends TypePredicateBase {
+        kind: TypePredicateKind.This;
+        parameterName: undefined;
+        parameterIndex: undefined;
+        type: Type;
+    }
+    export interface IdentifierTypePredicate extends TypePredicateBase {
+        kind: TypePredicateKind.Identifier;
+        parameterName: string;
+        parameterIndex: number;
+        type: Type;
+    }
+    export interface AssertsThisTypePredicate extends TypePredicateBase {
+        kind: TypePredicateKind.AssertsThis;
+        parameterName: undefined;
+        parameterIndex: undefined;
+        type: Type | undefined;
+    }
+    export interface AssertsIdentifierTypePredicate extends TypePredicateBase {
+        kind: TypePredicateKind.AssertsIdentifier;
+        parameterName: string;
+        parameterIndex: number;
+        type: Type | undefined;
+    }
+    export type TypePredicate = ThisTypePredicate | IdentifierTypePredicate | AssertsThisTypePredicate | AssertsIdentifierTypePredicate;
+    export enum SymbolFlags {
+        None = 0,
+        FunctionScopedVariable = 1,
+        BlockScopedVariable = 2,
+        Property = 4,
+        EnumMember = 8,
+        Function = 16,
+        Class = 32,
+        Interface = 64,
+        ConstEnum = 128,
+        RegularEnum = 256,
+        ValueModule = 512,
+        NamespaceModule = 1024,
+        TypeLiteral = 2048,
+        ObjectLiteral = 4096,
+        Method = 8192,
+        Constructor = 16384,
+        GetAccessor = 32768,
+        SetAccessor = 65536,
+        Signature = 131072,
+        TypeParameter = 262144,
+        TypeAlias = 524288,
+        ExportValue = 1048576,
+        Alias = 2097152,
+        Prototype = 4194304,
+        ExportStar = 8388608,
+        Optional = 16777216,
+        Transient = 33554432,
+        Assignment = 67108864,
+        ModuleExports = 134217728,
+        Enum = 384,
+        Variable = 3,
+        Value = 111551,
+        Type = 788968,
+        Namespace = 1920,
+        Module = 1536,
+        Accessor = 98304,
+        FunctionScopedVariableExcludes = 111550,
+        BlockScopedVariableExcludes = 111551,
+        ParameterExcludes = 111551,
+        PropertyExcludes = 0,
+        EnumMemberExcludes = 900095,
+        FunctionExcludes = 110991,
+        ClassExcludes = 899503,
+        InterfaceExcludes = 788872,
+        RegularEnumExcludes = 899327,
+        ConstEnumExcludes = 899967,
+        ValueModuleExcludes = 110735,
+        NamespaceModuleExcludes = 0,
+        MethodExcludes = 103359,
+        GetAccessorExcludes = 46015,
+        SetAccessorExcludes = 78783,
+        TypeParameterExcludes = 526824,
+        TypeAliasExcludes = 788968,
+        AliasExcludes = 2097152,
+        ModuleMember = 2623475,
+        ExportHasLocal = 944,
+        BlockScoped = 418,
+        PropertyOrAccessor = 98308,
+        ClassMember = 106500,
+    }
+    export interface Symbol {
+        flags: SymbolFlags;
+        escapedName: __String;
+        declarations: Declaration[];
+        valueDeclaration: Declaration;
+        members?: SymbolTable;
+        exports?: SymbolTable;
+        globalExports?: SymbolTable;
+    }
+    export enum InternalSymbolName {
+        Call = "__call",
+        Constructor = "__constructor",
+        New = "__new",
+        Index = "__index",
+        ExportStar = "__export",
+        Global = "__global",
+        Missing = "__missing",
+        Type = "__type",
+        Object = "__object",
+        JSXAttributes = "__jsxAttributes",
+        Class = "__class",
+        Function = "__function",
+        Computed = "__computed",
+        Resolving = "__resolving__",
+        ExportEquals = "export=",
+        Default = "default",
+        This = "this"
+    }
+    /**
+     * This represents a string whose leading underscore have been escaped by adding extra leading underscores.
+     * The shape of this brand is rather unique compared to others we've used.
+     * Instead of just an intersection of a string and an object, it is that union-ed
+     * with an intersection of void and an object. This makes it wholly incompatible
+     * with a normal string (which is good, it cannot be misused on assignment or on usage),
+     * while still being comparable with a normal string via === (also good) and castable from a string.
+     */
+    export type __String = (string & {
+        __escapedIdentifier: void;
+    }) | (void & {
+        __escapedIdentifier: void;
+    }) | InternalSymbolName;
+    /** ReadonlyMap where keys are `__String`s. */
+    export interface ReadonlyUnderscoreEscapedMap<T> {
+        get(key: __String): T | undefined;
+        has(key: __String): boolean;
+        forEach(action: (value: T, key: __String) => void): void;
+        readonly size: number;
+        keys(): Iterator<__String>;
+        values(): Iterator<T>;
+        entries(): Iterator<[__String, T]>;
+    }
+    /** Map where keys are `__String`s. */
+    export interface UnderscoreEscapedMap<T> extends ReadonlyUnderscoreEscapedMap<T> {
+        set(key: __String, value: T): this;
+        delete(key: __String): boolean;
+        clear(): void;
+    }
+    /** SymbolTable based on ES6 Map interface. */
+    export type SymbolTable = UnderscoreEscapedMap<Symbol>;
+    export enum TypeFlags {
+        Any = 1,
+        Unknown = 2,
+        String = 4,
+        Number = 8,
+        Boolean = 16,
+        Enum = 32,
+        BigInt = 64,
+        StringLiteral = 128,
+        NumberLiteral = 256,
+        BooleanLiteral = 512,
+        EnumLiteral = 1024,
+        BigIntLiteral = 2048,
+        ESSymbol = 4096,
+        UniqueESSymbol = 8192,
+        Void = 16384,
+        Undefined = 32768,
+        Null = 65536,
+        Never = 131072,
+        TypeParameter = 262144,
+        Object = 524288,
+        Union = 1048576,
+        Intersection = 2097152,
+        Index = 4194304,
+        IndexedAccess = 8388608,
+        Conditional = 16777216,
+        Substitution = 33554432,
+        NonPrimitive = 67108864,
+        Literal = 2944,
+        Unit = 109440,
+        StringOrNumberLiteral = 384,
+        PossiblyFalsy = 117724,
+        StringLike = 132,
+        NumberLike = 296,
+        BigIntLike = 2112,
+        BooleanLike = 528,
+        EnumLike = 1056,
+        ESSymbolLike = 12288,
+        VoidLike = 49152,
+        UnionOrIntersection = 3145728,
+        StructuredType = 3670016,
+        TypeVariable = 8650752,
+        InstantiableNonPrimitive = 58982400,
+        InstantiablePrimitive = 4194304,
+        Instantiable = 63176704,
+        StructuredOrInstantiable = 66846720,
+        Narrowable = 133970943,
+        NotUnionOrUnit = 67637251,
+    }
+    export type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression;
+    export interface Type {
+        flags: TypeFlags;
+        symbol: Symbol;
+        pattern?: DestructuringPattern;
+        aliasSymbol?: Symbol;
+        aliasTypeArguments?: readonly Type[];
+    }
+    export interface LiteralType extends Type {
+        value: string | number | PseudoBigInt;
+        freshType: LiteralType;
+        regularType: LiteralType;
+    }
+    export interface UniqueESSymbolType extends Type {
+        symbol: Symbol;
+        escapedName: __String;
+    }
+    export interface StringLiteralType extends LiteralType {
+        value: string;
+    }
+    export interface NumberLiteralType extends LiteralType {
+        value: number;
+    }
+    export interface BigIntLiteralType extends LiteralType {
+        value: PseudoBigInt;
+    }
+    export interface EnumType extends Type {
+    }
+    export enum ObjectFlags {
+        Class = 1,
+        Interface = 2,
+        Reference = 4,
+        Tuple = 8,
+        Anonymous = 16,
+        Mapped = 32,
+        Instantiated = 64,
+        ObjectLiteral = 128,
+        EvolvingArray = 256,
+        ObjectLiteralPatternWithComputedProperties = 512,
+        ContainsSpread = 1024,
+        ReverseMapped = 2048,
+        JsxAttributes = 4096,
+        MarkerType = 8192,
+        JSLiteral = 16384,
+        FreshLiteral = 32768,
+        ArrayLiteral = 65536,
+        ObjectRestType = 131072,
+        ClassOrInterface = 3,
+    }
+    export interface ObjectType extends Type {
+        objectFlags: ObjectFlags;
+    }
+    /** Class and interface types (ObjectFlags.Class and ObjectFlags.Interface). */
+    export interface InterfaceType extends ObjectType {
+        typeParameters: TypeParameter[] | undefined;
+        outerTypeParameters: TypeParameter[] | undefined;
+        localTypeParameters: TypeParameter[] | undefined;
+        thisType: TypeParameter | undefined;
+    }
+    export type BaseType = ObjectType | IntersectionType | TypeVariable;
+    export interface InterfaceTypeWithDeclaredMembers extends InterfaceType {
+        declaredProperties: Symbol[];
+        declaredCallSignatures: Signature[];
+        declaredConstructSignatures: Signature[];
+        declaredStringIndexInfo?: IndexInfo;
+        declaredNumberIndexInfo?: IndexInfo;
+    }
+    /**
+     * Type references (ObjectFlags.Reference). When a class or interface has type parameters or
+     * a "this" type, references to the class or interface are made using type references. The
+     * typeArguments property specifies the types to substitute for the type parameters of the
+     * class or interface and optionally includes an extra element that specifies the type to
+     * substitute for "this" in the resulting instantiation. When no extra argument is present,
+     * the type reference itself is substituted for "this". The typeArguments property is undefined
+     * if the class or interface has no type parameters and the reference isn't specifying an
+     * explicit "this" argument.
+     */
+    export interface TypeReference extends ObjectType {
+        target: GenericType;
+        node?: TypeReferenceNode | ArrayTypeNode | TupleTypeNode;
+    }
+    export interface DeferredTypeReference extends TypeReference {
+    }
+    export interface GenericType extends InterfaceType, TypeReference {
+    }
+    export interface TupleType extends GenericType {
+        minLength: number;
+        hasRestElement: boolean;
+        readonly: boolean;
+        associatedNames?: __String[];
+    }
+    export interface TupleTypeReference extends TypeReference {
+        target: TupleType;
+    }
+    export interface UnionOrIntersectionType extends Type {
+        types: Type[];
+    }
+    export interface UnionType extends UnionOrIntersectionType {
+    }
+    export interface IntersectionType extends UnionOrIntersectionType {
+    }
+    export type StructuredType = ObjectType | UnionType | IntersectionType;
+    export interface EvolvingArrayType extends ObjectType {
+        elementType: Type;
+        finalArrayType?: Type;
+    }
+    export interface InstantiableType extends Type {
+    }
+    export interface TypeParameter extends InstantiableType {
+    }
+    export interface IndexedAccessType extends InstantiableType {
+        objectType: Type;
+        indexType: Type;
+        constraint?: Type;
+        simplifiedForReading?: Type;
+        simplifiedForWriting?: Type;
+    }
+    export type TypeVariable = TypeParameter | IndexedAccessType;
+    export interface IndexType extends InstantiableType {
+        type: InstantiableType | UnionOrIntersectionType;
+    }
+    export interface ConditionalRoot {
+        node: ConditionalTypeNode;
+        checkType: Type;
+        extendsType: Type;
+        trueType: Type;
+        falseType: Type;
+        isDistributive: boolean;
+        inferTypeParameters?: TypeParameter[];
+        outerTypeParameters?: TypeParameter[];
+        instantiations?: Map<Type>;
+        aliasSymbol?: Symbol;
+        aliasTypeArguments?: Type[];
+    }
+    export interface ConditionalType extends InstantiableType {
+        root: ConditionalRoot;
+        checkType: Type;
+        extendsType: Type;
+        resolvedTrueType: Type;
+        resolvedFalseType: Type;
+    }
+    export interface SubstitutionType extends InstantiableType {
+        baseType: Type;
+        substitute: Type;
+    }
+    export enum SignatureKind {
+        Call = 0,
+        Construct = 1
+    }
+    export interface Signature {
+        declaration?: SignatureDeclaration | JSDocSignature;
+        typeParameters?: readonly TypeParameter[];
+        parameters: readonly Symbol[];
+    }
+    export enum IndexKind {
+        String = 0,
+        Number = 1
+    }
+    export interface IndexInfo {
+        type: Type;
+        isReadonly: boolean;
+        declaration?: IndexSignatureDeclaration;
+    }
+    export enum InferencePriority {
+        NakedTypeVariable = 1,
+        HomomorphicMappedType = 2,
+        PartialHomomorphicMappedType = 4,
+        MappedTypeConstraint = 8,
+        ContravariantConditional = 16,
+        ReturnType = 32,
+        LiteralKeyof = 64,
+        NoConstraints = 128,
+        AlwaysStrict = 256,
+        MaxValue = 512,
+        PriorityImpliesCombination = 104,
+        Circularity = -1
+    }
+    /** @deprecated Use FileExtensionInfo instead. */
+    export type JsFileExtensionInfo = FileExtensionInfo;
+    export interface FileExtensionInfo {
+        extension: string;
+        isMixedContent: boolean;
+        scriptKind?: ScriptKind;
+    }
+    export interface DiagnosticMessage {
+        key: string;
+        category: DiagnosticCategory;
+        code: number;
+        message: string;
+        reportsUnnecessary?: {};
+    }
+    /**
+     * A linked list of formatted diagnostic messages to be used as part of a multiline message.
+     * It is built from the bottom up, leaving the head to be the "main" diagnostic.
+     * While it seems that DiagnosticMessageChain is structurally similar to DiagnosticMessage,
+     * the difference is that messages are all preformatted in DMC.
+     */
+    export interface DiagnosticMessageChain {
+        messageText: string;
+        category: DiagnosticCategory;
+        code: number;
+        next?: DiagnosticMessageChain[];
+    }
+    export interface Diagnostic extends DiagnosticRelatedInformation {
+        /** May store more in future. For now, this will simply be `true` to indicate when a diagnostic is an unused-identifier diagnostic. */
+        reportsUnnecessary?: {};
+        source?: string;
+        relatedInformation?: DiagnosticRelatedInformation[];
+    }
+    export interface DiagnosticRelatedInformation {
+        category: DiagnosticCategory;
+        code: number;
+        file: SourceFile | undefined;
+        start: number | undefined;
+        length: number | undefined;
+        messageText: string | DiagnosticMessageChain;
+    }
+    export interface DiagnosticWithLocation extends Diagnostic {
+        file: SourceFile;
+        start: number;
+        length: number;
+    }
+    export enum DiagnosticCategory {
+        Warning = 0,
+        Error = 1,
+        Suggestion = 2,
+        Message = 3
+    }
+    export enum ModuleResolutionKind {
+        Classic = 1,
+        NodeJs = 2
+    }
+    export interface PluginImport {
+        name: string;
+    }
+    export interface ProjectReference {
+        /** A normalized path on disk */
+        path: string;
+        /** The path as the user originally wrote it */
+        originalPath?: string;
+        /** True if the output of this reference should be prepended to the output of this project. Only valid for --outFile compilations */
+        prepend?: boolean;
+        /** True if it is intended that this reference form a circularity */
+        circular?: boolean;
+    }
+    export enum WatchFileKind {
+        FixedPollingInterval = 0,
+        PriorityPollingInterval = 1,
+        DynamicPriorityPolling = 2,
+        UseFsEvents = 3,
+        UseFsEventsOnParentDirectory = 4
+    }
+    export enum WatchDirectoryKind {
+        UseFsEvents = 0,
+        FixedPollingInterval = 1,
+        DynamicPriorityPolling = 2
+    }
+    export enum PollingWatchKind {
+        FixedInterval = 0,
+        PriorityInterval = 1,
+        DynamicPriority = 2
+    }
+    export type CompilerOptionsValue = string | number | boolean | (string | number)[] | string[] | MapLike<string[]> | PluginImport[] | ProjectReference[] | null | undefined;
+    export interface CompilerOptions {
+        allowJs?: boolean;
+        allowSyntheticDefaultImports?: boolean;
+        allowUmdGlobalAccess?: boolean;
+        allowUnreachableCode?: boolean;
+        allowUnusedLabels?: boolean;
+        alwaysStrict?: boolean;
+        baseUrl?: string;
+        charset?: string;
+        checkJs?: boolean;
+        declaration?: boolean;
+        declarationMap?: boolean;
+        emitDeclarationOnly?: boolean;
+        declarationDir?: string;
+        disableSizeLimit?: boolean;
+        disableSourceOfProjectReferenceRedirect?: boolean;
+        disableSolutionSearching?: boolean;
+        downlevelIteration?: boolean;
+        emitBOM?: boolean;
+        emitDecoratorMetadata?: boolean;
+        experimentalDecorators?: boolean;
+        forceConsistentCasingInFileNames?: boolean;
+        importHelpers?: boolean;
+        importsNotUsedAsValues?: ImportsNotUsedAsValues;
+        inlineSourceMap?: boolean;
+        inlineSources?: boolean;
+        isolatedModules?: boolean;
+        jsx?: JsxEmit;
+        keyofStringsOnly?: boolean;
+        lib?: string[];
+        locale?: string;
+        mapRoot?: string;
+        maxNodeModuleJsDepth?: number;
+        module?: ModuleKind;
+        moduleResolution?: ModuleResolutionKind;
+        newLine?: NewLineKind;
+        noEmit?: boolean;
+        noEmitHelpers?: boolean;
+        noEmitOnError?: boolean;
+        noErrorTruncation?: boolean;
+        noFallthroughCasesInSwitch?: boolean;
+        noImplicitAny?: boolean;
+        noImplicitReturns?: boolean;
+        noImplicitThis?: boolean;
+        noStrictGenericChecks?: boolean;
+        noUnusedLocals?: boolean;
+        noUnusedParameters?: boolean;
+        noImplicitUseStrict?: boolean;
+        assumeChangesOnlyAffectDirectDependencies?: boolean;
+        noLib?: boolean;
+        noResolve?: boolean;
+        out?: string;
+        outDir?: string;
+        outFile?: string;
+        paths?: MapLike<string[]>;
+        preserveConstEnums?: boolean;
+        preserveSymlinks?: boolean;
+        project?: string;
+        reactNamespace?: string;
+        jsxFactory?: string;
+        composite?: boolean;
+        incremental?: boolean;
+        tsBuildInfoFile?: string;
+        removeComments?: boolean;
+        rootDir?: string;
+        rootDirs?: string[];
+        skipLibCheck?: boolean;
+        skipDefaultLibCheck?: boolean;
+        sourceMap?: boolean;
+        sourceRoot?: string;
+        strict?: boolean;
+        strictFunctionTypes?: boolean;
+        strictBindCallApply?: boolean;
+        strictNullChecks?: boolean;
+        strictPropertyInitialization?: boolean;
+        stripInternal?: boolean;
+        suppressExcessPropertyErrors?: boolean;
+        suppressImplicitAnyIndexErrors?: boolean;
+        target?: ScriptTarget;
+        traceResolution?: boolean;
+        resolveJsonModule?: boolean;
+        types?: string[];
+        /** Paths used to compute primary types search locations */
+        typeRoots?: string[];
+        esModuleInterop?: boolean;
+        useDefineForClassFields?: boolean;
+        [option: string]: CompilerOptionsValue | TsConfigSourceFile | undefined;
+    }
+    export interface WatchOptions {
+        watchFile?: WatchFileKind;
+        watchDirectory?: WatchDirectoryKind;
+        fallbackPolling?: PollingWatchKind;
+        synchronousWatchDirectory?: boolean;
+        [option: string]: CompilerOptionsValue | undefined;
+    }
+    export interface TypeAcquisition {
+        /**
+         * @deprecated typingOptions.enableAutoDiscovery
+         * Use typeAcquisition.enable instead.
+         */
+        enableAutoDiscovery?: boolean;
+        enable?: boolean;
+        include?: string[];
+        exclude?: string[];
+        [option: string]: string[] | boolean | undefined;
+    }
+    export enum ModuleKind {
+        None = 0,
+        CommonJS = 1,
+        AMD = 2,
+        UMD = 3,
+        System = 4,
+        ES2015 = 5,
+        ES2020 = 6,
+        ESNext = 99
+    }
+    export enum JsxEmit {
+        None = 0,
+        Preserve = 1,
+        React = 2,
+        ReactNative = 3
+    }
+    export enum ImportsNotUsedAsValues {
+        Remove = 0,
+        Preserve = 1,
+        Error = 2
+    }
+    export enum NewLineKind {
+        CarriageReturnLineFeed = 0,
+        LineFeed = 1
+    }
+    export interface LineAndCharacter {
+        /** 0-based. */
+        line: number;
+        character: number;
+    }
+    export enum ScriptKind {
+        Unknown = 0,
+        JS = 1,
+        JSX = 2,
+        TS = 3,
+        TSX = 4,
+        External = 5,
+        JSON = 6,
+        /**
+         * Used on extensions that doesn't define the ScriptKind but the content defines it.
+         * Deferred extensions are going to be included in all project contexts.
+         */
+        Deferred = 7
+    }
+    export enum ScriptTarget {
+        ES3 = 0,
+        ES5 = 1,
+        ES2015 = 2,
+        ES2016 = 3,
+        ES2017 = 4,
+        ES2018 = 5,
+        ES2019 = 6,
+        ES2020 = 7,
+        ESNext = 99,
+        JSON = 100,
+        Latest = 99
+    }
+    export enum LanguageVariant {
+        Standard = 0,
+        JSX = 1
+    }
+    /** Either a parsed command line or a parsed tsconfig.json */
+    export interface ParsedCommandLine {
+        options: CompilerOptions;
+        typeAcquisition?: TypeAcquisition;
+        fileNames: string[];
+        projectReferences?: readonly ProjectReference[];
+        watchOptions?: WatchOptions;
+        raw?: any;
+        errors: Diagnostic[];
+        wildcardDirectories?: MapLike<WatchDirectoryFlags>;
+        compileOnSave?: boolean;
+    }
+    export enum WatchDirectoryFlags {
+        None = 0,
+        Recursive = 1
+    }
+    export interface ExpandResult {
+        fileNames: string[];
+        wildcardDirectories: MapLike<WatchDirectoryFlags>;
+    }
+    export interface CreateProgramOptions {
+        rootNames: readonly string[];
+        options: CompilerOptions;
+        projectReferences?: readonly ProjectReference[];
+        host?: CompilerHost;
+        oldProgram?: Program;
+        configFileParsingDiagnostics?: readonly Diagnostic[];
+    }
+    export interface ModuleResolutionHost {
+        fileExists(fileName: string): boolean;
+        readFile(fileName: string): string | undefined;
+        trace?(s: string): void;
+        directoryExists?(directoryName: string): boolean;
+        /**
+         * Resolve a symbolic link.
+         * @see https://nodejs.org/api/fs.html#fs_fs_realpathsync_path_options
+         */
+        realpath?(path: string): string;
+        getCurrentDirectory?(): string;
+        getDirectories?(path: string): string[];
+    }
+    /**
+     * Represents the result of module resolution.
+     * Module resolution will pick up tsx/jsx/js files even if '--jsx' and '--allowJs' are turned off.
+     * The Program will then filter results based on these flags.
+     *
+     * Prefer to return a `ResolvedModuleFull` so that the file type does not have to be inferred.
+     */
+    export interface ResolvedModule {
+        /** Path of the file the module was resolved to. */
+        resolvedFileName: string;
+        /** True if `resolvedFileName` comes from `node_modules`. */
+        isExternalLibraryImport?: boolean;
+    }
+    /**
+     * ResolvedModule with an explicitly provided `extension` property.
+     * Prefer this over `ResolvedModule`.
+     * If changing this, remember to change `moduleResolutionIsEqualTo`.
+     */
+    export interface ResolvedModuleFull extends ResolvedModule {
+        /**
+         * Extension of resolvedFileName. This must match what's at the end of resolvedFileName.
+         * This is optional for backwards-compatibility, but will be added if not provided.
+         */
+        extension: Extension;
+        packageId?: PackageId;
+    }
+    /**
+     * Unique identifier with a package name and version.
+     * If changing this, remember to change `packageIdIsEqual`.
+     */
+    export interface PackageId {
+        /**
+         * Name of the package.
+         * Should not include `@types`.
+         * If accessing a non-index file, this should include its name e.g. "foo/bar".
+         */
+        name: string;
+        /**
+         * Name of a submodule within this package.
+         * May be "".
+         */
+        subModuleName: string;
+        /** Version of the package, e.g. "1.2.3" */
+        version: string;
+    }
+    export enum Extension {
+        Ts = ".ts",
+        Tsx = ".tsx",
+        Dts = ".d.ts",
+        Js = ".js",
+        Jsx = ".jsx",
+        Json = ".json",
+        TsBuildInfo = ".tsbuildinfo"
+    }
+    export interface ResolvedModuleWithFailedLookupLocations {
+        readonly resolvedModule: ResolvedModuleFull | undefined;
+    }
+    export interface ResolvedTypeReferenceDirective {
+        primary: boolean;
+        resolvedFileName: string | undefined;
+        packageId?: PackageId;
+        /** True if `resolvedFileName` comes from `node_modules`. */
+        isExternalLibraryImport?: boolean;
+    }
+    export interface ResolvedTypeReferenceDirectiveWithFailedLookupLocations {
+        readonly resolvedTypeReferenceDirective: ResolvedTypeReferenceDirective | undefined;
+        readonly failedLookupLocations: string[];
+    }
+    export interface CompilerHost extends ModuleResolutionHost {
+        getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void, shouldCreateNewSourceFile?: boolean): SourceFile | undefined;
+        getSourceFileByPath?(fileName: string, path: Path, languageVersion: ScriptTarget, onError?: (message: string) => void, shouldCreateNewSourceFile?: boolean): SourceFile | undefined;
+        getCancellationToken?(): CancellationToken;
+        getDefaultLibFileName(options: CompilerOptions): string;
+        getDefaultLibLocation?(): string;
+        writeFile: WriteFileCallback;
+        getCurrentDirectory(): string;
+        getCanonicalFileName(fileName: string): string;
+        useCaseSensitiveFileNames(): boolean;
+        getNewLine(): string;
+        readDirectory?(rootDir: string, extensions: readonly string[], excludes: readonly string[] | undefined, includes: readonly string[], depth?: number): string[];
+        resolveModuleNames?(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions): (ResolvedModule | undefined)[];
+        /**
+         * This method is a companion for 'resolveModuleNames' and is used to resolve 'types' references to actual type declaration files
+         */
+        resolveTypeReferenceDirectives?(typeReferenceDirectiveNames: string[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions): (ResolvedTypeReferenceDirective | undefined)[];
+        getEnvironmentVariable?(name: string): string | undefined;
+        createHash?(data: string): string;
+        getParsedCommandLine?(fileName: string): ParsedCommandLine | undefined;
+    }
+    export interface SourceMapRange extends TextRange {
+        source?: SourceMapSource;
+    }
+    export interface SourceMapSource {
+        fileName: string;
+        text: string;
+        skipTrivia?: (pos: number) => number;
+    }
+    export enum EmitFlags {
+        None = 0,
+        SingleLine = 1,
+        AdviseOnEmitNode = 2,
+        NoSubstitution = 4,
+        CapturesThis = 8,
+        NoLeadingSourceMap = 16,
+        NoTrailingSourceMap = 32,
+        NoSourceMap = 48,
+        NoNestedSourceMaps = 64,
+        NoTokenLeadingSourceMaps = 128,
+        NoTokenTrailingSourceMaps = 256,
+        NoTokenSourceMaps = 384,
+        NoLeadingComments = 512,
+        NoTrailingComments = 1024,
+        NoComments = 1536,
+        NoNestedComments = 2048,
+        HelperName = 4096,
+        ExportName = 8192,
+        LocalName = 16384,
+        InternalName = 32768,
+        Indented = 65536,
+        NoIndentation = 131072,
+        AsyncFunctionBody = 262144,
+        ReuseTempVariableScope = 524288,
+        CustomPrologue = 1048576,
+        NoHoisting = 2097152,
+        HasEndOfDeclarationMarker = 4194304,
+        Iterator = 8388608,
+        NoAsciiEscaping = 16777216,
+    }
+    export interface EmitHelper {
+        readonly name: string;
+        readonly scoped: boolean;
+        readonly text: string | ((node: EmitHelperUniqueNameCallback) => string);
+        readonly priority?: number;
+        readonly dependencies?: EmitHelper[];
+    }
+    export interface UnscopedEmitHelper extends EmitHelper {
+        readonly scoped: false;
+        readonly text: string;
+    }
+    export type EmitHelperUniqueNameCallback = (name: string) => string;
+    export enum EmitHint {
+        SourceFile = 0,
+        Expression = 1,
+        IdentifierName = 2,
+        MappedTypeParameter = 3,
+        Unspecified = 4,
+        EmbeddedStatement = 5,
+        JsxAttributeValue = 6
+    }
+    export interface TransformationContext {
+        /** Gets the compiler options supplied to the transformer. */
+        getCompilerOptions(): CompilerOptions;
+        /** Starts a new lexical environment. */
+        startLexicalEnvironment(): void;
+        /** Suspends the current lexical environment, usually after visiting a parameter list. */
+        suspendLexicalEnvironment(): void;
+        /** Resumes a suspended lexical environment, usually before visiting a function body. */
+        resumeLexicalEnvironment(): void;
+        /** Ends a lexical environment, returning any declarations. */
+        endLexicalEnvironment(): Statement[] | undefined;
+        /** Hoists a function declaration to the containing scope. */
+        hoistFunctionDeclaration(node: FunctionDeclaration): void;
+        /** Hoists a variable declaration to the containing scope. */
+        hoistVariableDeclaration(node: Identifier): void;
+        /** Records a request for a non-scoped emit helper in the current context. */
+        requestEmitHelper(helper: EmitHelper): void;
+        /** Gets and resets the requested non-scoped emit helpers. */
+        readEmitHelpers(): EmitHelper[] | undefined;
+        /** Enables expression substitutions in the pretty printer for the provided SyntaxKind. */
+        enableSubstitution(kind: SyntaxKind): void;
+        /** Determines whether expression substitutions are enabled for the provided node. */
+        isSubstitutionEnabled(node: Node): boolean;
+        /**
+         * Hook used by transformers to substitute expressions just before they
+         * are emitted by the pretty printer.
+         *
+         * NOTE: Transformation hooks should only be modified during `Transformer` initialization,
+         * before returning the `NodeTransformer` callback.
+         */
+        onSubstituteNode: (hint: EmitHint, node: Node) => Node;
+        /**
+         * Enables before/after emit notifications in the pretty printer for the provided
+         * SyntaxKind.
+         */
+        enableEmitNotification(kind: SyntaxKind): void;
+        /**
+         * Determines whether before/after emit notifications should be raised in the pretty
+         * printer when it emits a node.
+         */
+        isEmitNotificationEnabled(node: Node): boolean;
+        /**
+         * Hook used to allow transformers to capture state before or after
+         * the printer emits a node.
+         *
+         * NOTE: Transformation hooks should only be modified during `Transformer` initialization,
+         * before returning the `NodeTransformer` callback.
+         */
+        onEmitNode: (hint: EmitHint, node: Node, emitCallback: (hint: EmitHint, node: Node) => void) => void;
+    }
+    export interface TransformationResult<T extends Node> {
+        /** Gets the transformed source files. */
+        transformed: T[];
+        /** Gets diagnostics for the transformation. */
+        diagnostics?: DiagnosticWithLocation[];
+        /**
+         * Gets a substitute for a node, if one is available; otherwise, returns the original node.
+         *
+         * @param hint A hint as to the intended usage of the node.
+         * @param node The node to substitute.
+         */
+        substituteNode(hint: EmitHint, node: Node): Node;
+        /**
+         * Emits a node with possible notification.
+         *
+         * @param hint A hint as to the intended usage of the node.
+         * @param node The node to emit.
+         * @param emitCallback A callback used to emit the node.
+         */
+        emitNodeWithNotification(hint: EmitHint, node: Node, emitCallback: (hint: EmitHint, node: Node) => void): void;
+        /**
+         * Indicates if a given node needs an emit notification
+         *
+         * @param node The node to emit.
+         */
+        isEmitNotificationEnabled?(node: Node): boolean;
+        /**
+         * Clean up EmitNode entries on any parse-tree nodes.
+         */
+        dispose(): void;
+    }
+    /**
+     * A function that is used to initialize and return a `Transformer` callback, which in turn
+     * will be used to transform one or more nodes.
+     */
+    export type TransformerFactory<T extends Node> = (context: TransformationContext) => Transformer<T>;
+    /**
+     * A function that transforms a node.
+     */
+    export type Transformer<T extends Node> = (node: T) => T;
+    /**
+     * A function that accepts and possibly transforms a node.
+     */
+    export type Visitor = (node: Node) => VisitResult<Node>;
+    export type VisitResult<T extends Node> = T | T[] | undefined;
+    export interface Printer {
+        /**
+         * Print a node and its subtree as-is, without any emit transformations.
+         * @param hint A value indicating the purpose of a node. This is primarily used to
+         * distinguish between an `Identifier` used in an expression position, versus an
+         * `Identifier` used as an `IdentifierName` as part of a declaration. For most nodes you
+         * should just pass `Unspecified`.
+         * @param node The node to print. The node and its subtree are printed as-is, without any
+         * emit transformations.
+         * @param sourceFile A source file that provides context for the node. The source text of
+         * the file is used to emit the original source content for literals and identifiers, while
+         * the identifiers of the source file are used when generating unique names to avoid
+         * collisions.
+         */
+        printNode(hint: EmitHint, node: Node, sourceFile: SourceFile): string;
+        /**
+         * Prints a list of nodes using the given format flags
+         */
+        printList<T extends Node>(format: ListFormat, list: NodeArray<T>, sourceFile: SourceFile): string;
+        /**
+         * Prints a source file as-is, without any emit transformations.
+         */
+        printFile(sourceFile: SourceFile): string;
+        /**
+         * Prints a bundle of source files as-is, without any emit transformations.
+         */
+        printBundle(bundle: Bundle): string;
+    }
+    export interface PrintHandlers {
+        /**
+         * A hook used by the Printer when generating unique names to avoid collisions with
+         * globally defined names that exist outside of the current source file.
+         */
+        hasGlobalName?(name: string): boolean;
+        /**
+         * A hook used by the Printer to provide notifications prior to emitting a node. A
+         * compatible implementation **must** invoke `emitCallback` with the provided `hint` and
+         * `node` values.
+         * @param hint A hint indicating the intended purpose of the node.
+         * @param node The node to emit.
+         * @param emitCallback A callback that, when invoked, will emit the node.
+         * @example
+         * ```ts
+         * var printer = createPrinter(printerOptions, {
+         *   onEmitNode(hint, node, emitCallback) {
+         *     // set up or track state prior to emitting the node...
+         *     emitCallback(hint, node);
+         *     // restore state after emitting the node...
+         *   }
+         * });
+         * ```
+         */
+        onEmitNode?(hint: EmitHint, node: Node | undefined, emitCallback: (hint: EmitHint, node: Node | undefined) => void): void;
+        /**
+         * A hook used to check if an emit notification is required for a node.
+         * @param node The node to emit.
+         */
+        isEmitNotificationEnabled?(node: Node | undefined): boolean;
+        /**
+         * A hook used by the Printer to perform just-in-time substitution of a node. This is
+         * primarily used by node transformations that need to substitute one node for another,
+         * such as replacing `myExportedVar` with `exports.myExportedVar`.
+         * @param hint A hint indicating the intended purpose of the node.
+         * @param node The node to emit.
+         * @example
+         * ```ts
+         * var printer = createPrinter(printerOptions, {
+         *   substituteNode(hint, node) {
+         *     // perform substitution if necessary...
+         *     return node;
+         *   }
+         * });
+         * ```
+         */
+        substituteNode?(hint: EmitHint, node: Node): Node;
+    }
+    export interface PrinterOptions {
+        removeComments?: boolean;
+        newLine?: NewLineKind;
+        omitTrailingSemicolon?: boolean;
+        noEmitHelpers?: boolean;
+    }
+    export interface GetEffectiveTypeRootsHost {
+        directoryExists?(directoryName: string): boolean;
+        getCurrentDirectory?(): string;
+    }
+    export interface TextSpan {
+        start: number;
+        length: number;
+    }
+    export interface TextChangeRange {
+        span: TextSpan;
+        newLength: number;
+    }
+    export interface SyntaxList extends Node {
+        _children: Node[];
+    }
+    export enum ListFormat {
+        None = 0,
+        SingleLine = 0,
+        MultiLine = 1,
+        PreserveLines = 2,
+        LinesMask = 3,
+        NotDelimited = 0,
+        BarDelimited = 4,
+        AmpersandDelimited = 8,
+        CommaDelimited = 16,
+        AsteriskDelimited = 32,
+        DelimitersMask = 60,
+        AllowTrailingComma = 64,
+        Indented = 128,
+        SpaceBetweenBraces = 256,
+        SpaceBetweenSiblings = 512,
+        Braces = 1024,
+        Parenthesis = 2048,
+        AngleBrackets = 4096,
+        SquareBrackets = 8192,
+        BracketsMask = 15360,
+        OptionalIfUndefined = 16384,
+        OptionalIfEmpty = 32768,
+        Optional = 49152,
+        PreferNewLine = 65536,
+        NoTrailingNewLine = 131072,
+        NoInterveningComments = 262144,
+        NoSpaceIfEmpty = 524288,
+        SingleElement = 1048576,
+        SpaceAfterList = 2097152,
+        Modifiers = 262656,
+        HeritageClauses = 512,
+        SingleLineTypeLiteralMembers = 768,
+        MultiLineTypeLiteralMembers = 32897,
+        TupleTypeElements = 528,
+        UnionTypeConstituents = 516,
+        IntersectionTypeConstituents = 520,
+        ObjectBindingPatternElements = 525136,
+        ArrayBindingPatternElements = 524880,
+        ObjectLiteralExpressionProperties = 526226,
+        ArrayLiteralExpressionElements = 8914,
+        CommaListElements = 528,
+        CallExpressionArguments = 2576,
+        NewExpressionArguments = 18960,
+        TemplateExpressionSpans = 262144,
+        SingleLineBlockStatements = 768,
+        MultiLineBlockStatements = 129,
+        VariableDeclarationList = 528,
+        SingleLineFunctionBodyStatements = 768,
+        MultiLineFunctionBodyStatements = 1,
+        ClassHeritageClauses = 0,
+        ClassMembers = 129,
+        InterfaceMembers = 129,
+        EnumMembers = 145,
+        CaseBlockClauses = 129,
+        NamedImportsOrExportsElements = 525136,
+        JsxElementOrFragmentChildren = 262144,
+        JsxElementAttributes = 262656,
+        CaseOrDefaultClauseStatements = 163969,
+        HeritageClauseTypes = 528,
+        SourceFileStatements = 131073,
+        Decorators = 2146305,
+        TypeArguments = 53776,
+        TypeParameters = 53776,
+        Parameters = 2576,
+        IndexSignatureParameters = 8848,
+        JSDocComment = 33
+    }
+    export interface UserPreferences {
+        readonly disableSuggestions?: boolean;
+        readonly quotePreference?: "auto" | "double" | "single";
+        readonly includeCompletionsForModuleExports?: boolean;
+        readonly includeAutomaticOptionalChainCompletions?: boolean;
+        readonly includeCompletionsWithInsertText?: boolean;
+        readonly importModuleSpecifierPreference?: "auto" | "relative" | "non-relative";
+        /** Determines whether we import `foo/index.ts` as "foo", "foo/index", or "foo/index.js" */
+        readonly importModuleSpecifierEnding?: "auto" | "minimal" | "index" | "js";
+        readonly allowTextChangesInNewFiles?: boolean;
+        readonly providePrefixAndSuffixTextForRename?: boolean;
+    }
+    /** Represents a bigint literal value without requiring bigint support */
+    export interface PseudoBigInt {
+        negative: boolean;
+        base10Value: string;
+    }
+    export {};
+}
+declare function setTimeout(handler: (...args: any[]) => void, timeout: number): any;
+declare function clearTimeout(handle: any): void;
+declare namespace ts {
+    export enum FileWatcherEventKind {
+        Created = 0,
+        Changed = 1,
+        Deleted = 2
+    }
+    export type FileWatcherCallback = (fileName: string, eventKind: FileWatcherEventKind) => void;
+    export type DirectoryWatcherCallback = (fileName: string) => void;
+    export interface System {
+        args: string[];
+        newLine: string;
+        useCaseSensitiveFileNames: boolean;
+        write(s: string): void;
+        writeOutputIsTTY?(): boolean;
+        readFile(path: string, encoding?: string): string | undefined;
+        getFileSize?(path: string): number;
+        writeFile(path: string, data: string, writeByteOrderMark?: boolean): void;
+        /**
+         * @pollingInterval - this parameter is used in polling-based watchers and ignored in watchers that
+         * use native OS file watching
+         */
+        watchFile?(path: string, callback: FileWatcherCallback, pollingInterval?: number, options?: WatchOptions): FileWatcher;
+        watchDirectory?(path: string, callback: DirectoryWatcherCallback, recursive?: boolean, options?: WatchOptions): FileWatcher;
+        resolvePath(path: string): string;
+        fileExists(path: string): boolean;
+        directoryExists(path: string): boolean;
+        createDirectory(path: string): void;
+        getExecutingFilePath(): string;
+        getCurrentDirectory(): string;
+        getDirectories(path: string): string[];
+        readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[];
+        getModifiedTime?(path: string): Date | undefined;
+        setModifiedTime?(path: string, time: Date): void;
+        deleteFile?(path: string): void;
+        /**
+         * A good implementation is node.js' `crypto.createHash`. (https://nodejs.org/api/crypto.html#crypto_crypto_createhash_algorithm)
+         */
+        createHash?(data: string): string;
+        /** This must be cryptographically secure. Only implement this method using `crypto.createHash("sha256")`. */
+        createSHA256Hash?(data: string): string;
+        getMemoryUsage?(): number;
+        exit(exitCode?: number): void;
+        realpath?(path: string): string;
+        setTimeout?(callback: (...args: any[]) => void, ms: number, ...args: any[]): any;
+        clearTimeout?(timeoutId: any): void;
+        clearScreen?(): void;
+        base64decode?(input: string): string;
+        base64encode?(input: string): string;
+    }
+    export interface FileWatcher {
+        close(): void;
+    }
+    export function getNodeMajorVersion(): number | undefined;
+    export let sys: System;
+    export {};
+}
+declare namespace ts {
+    type ErrorCallback = (message: DiagnosticMessage, length: number) => void;
+    interface Scanner {
+        getStartPos(): number;
+        getToken(): SyntaxKind;
+        getTextPos(): number;
+        getTokenPos(): number;
+        getTokenText(): string;
+        getTokenValue(): string;
+        hasUnicodeEscape(): boolean;
+        hasExtendedUnicodeEscape(): boolean;
+        hasPrecedingLineBreak(): boolean;
+        isIdentifier(): boolean;
+        isReservedWord(): boolean;
+        isUnterminated(): boolean;
+        reScanGreaterToken(): SyntaxKind;
+        reScanSlashToken(): SyntaxKind;
+        reScanTemplateToken(isTaggedTemplate: boolean): SyntaxKind;
+        reScanTemplateHeadOrNoSubstitutionTemplate(): SyntaxKind;
+        scanJsxIdentifier(): SyntaxKind;
+        scanJsxAttributeValue(): SyntaxKind;
+        reScanJsxAttributeValue(): SyntaxKind;
+        reScanJsxToken(): JsxTokenSyntaxKind;
+        reScanLessThanToken(): SyntaxKind;
+        reScanQuestionToken(): SyntaxKind;
+        scanJsxToken(): JsxTokenSyntaxKind;
+        scanJsDocToken(): JSDocSyntaxKind;
+        scan(): SyntaxKind;
+        getText(): string;
+        setText(text: string | undefined, start?: number, length?: number): void;
+        setOnError(onError: ErrorCallback | undefined): void;
+        setScriptTarget(scriptTarget: ScriptTarget): void;
+        setLanguageVariant(variant: LanguageVariant): void;
+        setTextPos(textPos: number): void;
+        lookAhead<T>(callback: () => T): T;
+        scanRange<T>(start: number, length: number, callback: () => T): T;
+        tryScan<T>(callback: () => T): T;
+    }
+    function tokenToString(t: SyntaxKind): string | undefined;
+    function getPositionOfLineAndCharacter(sourceFile: SourceFileLike, line: number, character: number): number;
+    function getLineAndCharacterOfPosition(sourceFile: SourceFileLike, position: number): LineAndCharacter;
+    function isWhiteSpaceLike(ch: number): boolean;
+    /** Does not include line breaks. For that, see isWhiteSpaceLike. */
+    function isWhiteSpaceSingleLine(ch: number): boolean;
+    function isLineBreak(ch: number): boolean;
+    function couldStartTrivia(text: string, pos: number): boolean;
+    function forEachLeadingCommentRange<U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean) => U): U | undefined;
+    function forEachLeadingCommentRange<T, U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean, state: T) => U, state: T): U | undefined;
+    function forEachTrailingCommentRange<U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean) => U): U | undefined;
+    function forEachTrailingCommentRange<T, U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean, state: T) => U, state: T): U | undefined;
+    function reduceEachLeadingCommentRange<T, U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean, state: T, memo: U) => U, state: T, initial: U): U | undefined;
+    function reduceEachTrailingCommentRange<T, U>(text: string, pos: number, cb: (pos: number, end: number, kind: CommentKind, hasTrailingNewLine: boolean, state: T, memo: U) => U, state: T, initial: U): U | undefined;
+    function getLeadingCommentRanges(text: string, pos: number): CommentRange[] | undefined;
+    function getTrailingCommentRanges(text: string, pos: number): CommentRange[] | undefined;
+    /** Optionally, get the shebang */
+    function getShebang(text: string): string | undefined;
+    function isIdentifierStart(ch: number, languageVersion: ScriptTarget | undefined): boolean;
+    function isIdentifierPart(ch: number, languageVersion: ScriptTarget | undefined, identifierVariant?: LanguageVariant): boolean;
+    function createScanner(languageVersion: ScriptTarget, skipTrivia: boolean, languageVariant?: LanguageVariant, textInitial?: string, onError?: ErrorCallback, start?: number, length?: number): Scanner;
+}
+declare namespace ts {
+    function isExternalModuleNameRelative(moduleName: string): boolean;
+    function sortAndDeduplicateDiagnostics<T extends Diagnostic>(diagnostics: readonly T[]): SortedReadonlyArray<T>;
+    function getDefaultLibFileName(options: CompilerOptions): string;
+    function textSpanEnd(span: TextSpan): number;
+    function textSpanIsEmpty(span: TextSpan): boolean;
+    function textSpanContainsPosition(span: TextSpan, position: number): boolean;
+    function textSpanContainsTextSpan(span: TextSpan, other: TextSpan): boolean;
+    function textSpanOverlapsWith(span: TextSpan, other: TextSpan): boolean;
+    function textSpanOverlap(span1: TextSpan, span2: TextSpan): TextSpan | undefined;
+    function textSpanIntersectsWithTextSpan(span: TextSpan, other: TextSpan): boolean;
+    function textSpanIntersectsWith(span: TextSpan, start: number, length: number): boolean;
+    function decodedTextSpanIntersectsWith(start1: number, length1: number, start2: number, length2: number): boolean;
+    function textSpanIntersectsWithPosition(span: TextSpan, position: number): boolean;
+    function textSpanIntersection(span1: TextSpan, span2: TextSpan): TextSpan | undefined;
+    function createTextSpan(start: number, length: number): TextSpan;
+    function createTextSpanFromBounds(start: number, end: number): TextSpan;
+    function textChangeRangeNewSpan(range: TextChangeRange): TextSpan;
+    function textChangeRangeIsUnchanged(range: TextChangeRange): boolean;
+    function createTextChangeRange(span: TextSpan, newLength: number): TextChangeRange;
+    let unchangedTextChangeRange: TextChangeRange;
+    /**
+     * Called to merge all the changes that occurred across several versions of a script snapshot
+     * into a single change.  i.e. if a user keeps making successive edits to a script we will
+     * have a text change from V1 to V2, V2 to V3, ..., Vn.
+     *
+     * This function will then merge those changes into a single change range valid between V1 and
+     * Vn.
+     */
+    function collapseTextChangeRangesAcrossMultipleVersions(changes: readonly TextChangeRange[]): TextChangeRange;
+    function getTypeParameterOwner(d: Declaration): Declaration | undefined;
+    type ParameterPropertyDeclaration = ParameterDeclaration & {
+        parent: ConstructorDeclaration;
+        name: Identifier;
+    };
+    function isParameterPropertyDeclaration(node: Node, parent: Node): node is ParameterPropertyDeclaration;
+    function isEmptyBindingPattern(node: BindingName): node is BindingPattern;
+    function isEmptyBindingElement(node: BindingElement): boolean;
+    function walkUpBindingElementsAndPatterns(binding: BindingElement): VariableDeclaration | ParameterDeclaration;
+    function getCombinedModifierFlags(node: Declaration): ModifierFlags;
+    function getCombinedNodeFlags(node: Node): NodeFlags;
+    /**
+     * Checks to see if the locale is in the appropriate format,
+     * and if it is, attempts to set the appropriate language.
+     */
+    function validateLocaleAndSetLanguage(locale: string, sys: {
+        getExecutingFilePath(): string;
+        resolvePath(path: string): string;
+        fileExists(fileName: string): boolean;
+        readFile(fileName: string): string | undefined;
+    }, errors?: Push<Diagnostic>): void;
+    function getOriginalNode(node: Node): Node;
+    function getOriginalNode<T extends Node>(node: Node, nodeTest: (node: Node) => node is T): T;
+    function getOriginalNode(node: Node | undefined): Node | undefined;
+    function getOriginalNode<T extends Node>(node: Node | undefined, nodeTest: (node: Node | undefined) => node is T): T | undefined;
+    /**
+     * Gets a value indicating whether a node originated in the parse tree.
+     *
+     * @param node The node to test.
+     */
+    function isParseTreeNode(node: Node): boolean;
+    /**
+     * Gets the original parse tree node for a node.
+     *
+     * @param node The original node.
+     * @returns The original parse tree node if found; otherwise, undefined.
+     */
+    function getParseTreeNode(node: Node): Node;
+    /**
+     * Gets the original parse tree node for a node.
+     *
+     * @param node The original node.
+     * @param nodeTest A callback used to ensure the correct type of parse tree node is returned.
+     * @returns The original parse tree node if found; otherwise, undefined.
+     */
+    function getParseTreeNode<T extends Node>(node: Node | undefined, nodeTest?: (node: Node) => node is T): T | undefined;
+    /** Add an extra underscore to identifiers that start with two underscores to avoid issues with magic names like '__proto__' */
+    function escapeLeadingUnderscores(identifier: string): __String;
+    /**
+     * Remove extra underscore from escaped identifier text content.
+     *
+     * @param identifier The escaped identifier text.
+     * @returns The unescaped identifier text.
+     */
+    function unescapeLeadingUnderscores(identifier: __String): string;
+    function idText(identifierOrPrivateName: Identifier | PrivateIdentifier): string;
+    function symbolName(symbol: Symbol): string;
+    function getNameOfJSDocTypedef(declaration: JSDocTypedefTag): Identifier | PrivateIdentifier | undefined;
+    function getNameOfDeclaration(declaration: Declaration | Expression): DeclarationName | undefined;
+    /**
+     * Gets the JSDoc parameter tags for the node if present.
+     *
+     * @remarks Returns any JSDoc param tag whose name matches the provided
+     * parameter, whether a param tag on a containing function
+     * expression, or a param tag on a variable declaration whose
+     * initializer is the containing function. The tags closest to the
+     * node are returned first, so in the previous example, the param
+     * tag on the containing function expression would be first.
+     *
+     * For binding patterns, parameter tags are matched by position.
+     */
+    function getJSDocParameterTags(param: ParameterDeclaration): readonly JSDocParameterTag[];
+    /**
+     * Gets the JSDoc type parameter tags for the node if present.
+     *
+     * @remarks Returns any JSDoc template tag whose names match the provided
+     * parameter, whether a template tag on a containing function
+     * expression, or a template tag on a variable declaration whose
+     * initializer is the containing function. The tags closest to the
+     * node are returned first, so in the previous example, the template
+     * tag on the containing function expression would be first.
+     */
+    function getJSDocTypeParameterTags(param: TypeParameterDeclaration): readonly JSDocTemplateTag[];
+    /**
+     * Return true if the node has JSDoc parameter tags.
+     *
+     * @remarks Includes parameter tags that are not directly on the node,
+     * for example on a variable declaration whose initializer is a function expression.
+     */
+    function hasJSDocParameterTags(node: FunctionLikeDeclaration | SignatureDeclaration): boolean;
+    /** Gets the JSDoc augments tag for the node if present */
+    function getJSDocAugmentsTag(node: Node): JSDocAugmentsTag | undefined;
+    /** Gets the JSDoc implements tags for the node if present */
+    function getJSDocImplementsTags(node: Node): readonly JSDocImplementsTag[];
+    /** Gets the JSDoc class tag for the node if present */
+    function getJSDocClassTag(node: Node): JSDocClassTag | undefined;
+    /** Gets the JSDoc public tag for the node if present */
+    function getJSDocPublicTag(node: Node): JSDocPublicTag | undefined;
+    /** Gets the JSDoc private tag for the node if present */
+    function getJSDocPrivateTag(node: Node): JSDocPrivateTag | undefined;
+    /** Gets the JSDoc protected tag for the node if present */
+    function getJSDocProtectedTag(node: Node): JSDocProtectedTag | undefined;
+    /** Gets the JSDoc protected tag for the node if present */
+    function getJSDocReadonlyTag(node: Node): JSDocReadonlyTag | undefined;
+    /** Gets the JSDoc enum tag for the node if present */
+    function getJSDocEnumTag(node: Node): JSDocEnumTag | undefined;
+    /** Gets the JSDoc this tag for the node if present */
+    function getJSDocThisTag(node: Node): JSDocThisTag | undefined;
+    /** Gets the JSDoc return tag for the node if present */
+    function getJSDocReturnTag(node: Node): JSDocReturnTag | undefined;
+    /** Gets the JSDoc template tag for the node if present */
+    function getJSDocTemplateTag(node: Node): JSDocTemplateTag | undefined;
+    /** Gets the JSDoc type tag for the node if present and valid */
+    function getJSDocTypeTag(node: Node): JSDocTypeTag | undefined;
+    /**
+     * Gets the type node for the node if provided via JSDoc.
+     *
+     * @remarks The search includes any JSDoc param tag that relates
+     * to the provided parameter, for example a type tag on the
+     * parameter itself, or a param tag on a containing function
+     * expression, or a param tag on a variable declaration whose
+     * initializer is the containing function. The tags closest to the
+     * node are examined first, so in the previous example, the type
+     * tag directly on the node would be returned.
+     */
+    function getJSDocType(node: Node): TypeNode | undefined;
+    /**
+     * Gets the return type node for the node if provided via JSDoc return tag or type tag.
+     *
+     * @remarks `getJSDocReturnTag` just gets the whole JSDoc tag. This function
+     * gets the type from inside the braces, after the fat arrow, etc.
+     */
+    function getJSDocReturnType(node: Node): TypeNode | undefined;
+    /** Get all JSDoc tags related to a node, including those on parent nodes. */
+    function getJSDocTags(node: Node): readonly JSDocTag[];
+    /** Gets all JSDoc tags that match a specified predicate */
+    function getAllJSDocTags<T extends JSDocTag>(node: Node, predicate: (tag: JSDocTag) => tag is T): readonly T[];
+    /** Gets all JSDoc tags of a specified kind */
+    function getAllJSDocTagsOfKind(node: Node, kind: SyntaxKind): readonly JSDocTag[];
+    /**
+     * Gets the effective type parameters. If the node was parsed in a
+     * JavaScript file, gets the type parameters from the `@template` tag from JSDoc.
+     */
+    function getEffectiveTypeParameterDeclarations(node: DeclarationWithTypeParameters): readonly TypeParameterDeclaration[];
+    function getEffectiveConstraintOfTypeParameter(node: TypeParameterDeclaration): TypeNode | undefined;
+    function isNumericLiteral(node: Node): node is NumericLiteral;
+    function isBigIntLiteral(node: Node): node is BigIntLiteral;
+    function isStringLiteral(node: Node): node is StringLiteral;
+    function isJsxText(node: Node): node is JsxText;
+    function isRegularExpressionLiteral(node: Node): node is RegularExpressionLiteral;
+    function isNoSubstitutionTemplateLiteral(node: Node): node is NoSubstitutionTemplateLiteral;
+    function isTemplateHead(node: Node): node is TemplateHead;
+    function isTemplateMiddle(node: Node): node is TemplateMiddle;
+    function isTemplateTail(node: Node): node is TemplateTail;
+    function isIdentifier(node: Node): node is Identifier;
+    function isQualifiedName(node: Node): node is QualifiedName;
+    function isComputedPropertyName(node: Node): node is ComputedPropertyName;
+    function isPrivateIdentifier(node: Node): node is PrivateIdentifier;
+    function isIdentifierOrPrivateIdentifier(node: Node): node is Identifier | PrivateIdentifier;
+    function isTypeParameterDeclaration(node: Node): node is TypeParameterDeclaration;
+    function isParameter(node: Node): node is ParameterDeclaration;
+    function isDecorator(node: Node): node is Decorator;
+    function isPropertySignature(node: Node): node is PropertySignature;
+    function isPropertyDeclaration(node: Node): node is PropertyDeclaration;
+    function isMethodSignature(node: Node): node is MethodSignature;
+    function isMethodDeclaration(node: Node): node is MethodDeclaration;
+    function isConstructorDeclaration(node: Node): node is ConstructorDeclaration;
+    function isGetAccessorDeclaration(node: Node): node is GetAccessorDeclaration;
+    function isSetAccessorDeclaration(node: Node): node is SetAccessorDeclaration;
+    function isCallSignatureDeclaration(node: Node): node is CallSignatureDeclaration;
+    function isConstructSignatureDeclaration(node: Node): node is ConstructSignatureDeclaration;
+    function isIndexSignatureDeclaration(node: Node): node is IndexSignatureDeclaration;
+    function isTypePredicateNode(node: Node): node is TypePredicateNode;
+    function isTypeReferenceNode(node: Node): node is TypeReferenceNode;
+    function isFunctionTypeNode(node: Node): node is FunctionTypeNode;
+    function isConstructorTypeNode(node: Node): node is ConstructorTypeNode;
+    function isTypeQueryNode(node: Node): node is TypeQueryNode;
+    function isTypeLiteralNode(node: Node): node is TypeLiteralNode;
+    function isArrayTypeNode(node: Node): node is ArrayTypeNode;
+    function isTupleTypeNode(node: Node): node is TupleTypeNode;
+    function isUnionTypeNode(node: Node): node is UnionTypeNode;
+    function isIntersectionTypeNode(node: Node): node is IntersectionTypeNode;
+    function isConditionalTypeNode(node: Node): node is ConditionalTypeNode;
+    function isInferTypeNode(node: Node): node is InferTypeNode;
+    function isParenthesizedTypeNode(node: Node): node is ParenthesizedTypeNode;
+    function isThisTypeNode(node: Node): node is ThisTypeNode;
+    function isTypeOperatorNode(node: Node): node is TypeOperatorNode;
+    function isIndexedAccessTypeNode(node: Node): node is IndexedAccessTypeNode;
+    function isMappedTypeNode(node: Node): node is MappedTypeNode;
+    function isLiteralTypeNode(node: Node): node is LiteralTypeNode;
+    function isImportTypeNode(node: Node): node is ImportTypeNode;
+    function isObjectBindingPattern(node: Node): node is ObjectBindingPattern;
+    function isArrayBindingPattern(node: Node): node is ArrayBindingPattern;
+    function isBindingElement(node: Node): node is BindingElement;
+    function isArrayLiteralExpression(node: Node): node is ArrayLiteralExpression;
+    function isObjectLiteralExpression(node: Node): node is ObjectLiteralExpression;
+    function isPropertyAccessExpression(node: Node): node is PropertyAccessExpression;
+    function isPropertyAccessChain(node: Node): node is PropertyAccessChain;
+    function isElementAccessExpression(node: Node): node is ElementAccessExpression;
+    function isElementAccessChain(node: Node): node is ElementAccessChain;
+    function isCallExpression(node: Node): node is CallExpression;
+    function isCallChain(node: Node): node is CallChain;
+    function isOptionalChain(node: Node): node is PropertyAccessChain | ElementAccessChain | CallChain | NonNullChain;
+    function isNullishCoalesce(node: Node): boolean;
+    function isNewExpression(node: Node): node is NewExpression;
+    function isTaggedTemplateExpression(node: Node): node is TaggedTemplateExpression;
+    function isTypeAssertion(node: Node): node is TypeAssertion;
+    function isConstTypeReference(node: Node): boolean;
+    function isParenthesizedExpression(node: Node): node is ParenthesizedExpression;
+    function skipPartiallyEmittedExpressions(node: Expression): Expression;
+    function skipPartiallyEmittedExpressions(node: Node): Node;
+    function isFunctionExpression(node: Node): node is FunctionExpression;
+    function isArrowFunction(node: Node): node is ArrowFunction;
+    function isDeleteExpression(node: Node): node is DeleteExpression;
+    function isTypeOfExpression(node: Node): node is TypeOfExpression;
+    function isVoidExpression(node: Node): node is VoidExpression;
+    function isAwaitExpression(node: Node): node is AwaitExpression;
+    function isPrefixUnaryExpression(node: Node): node is PrefixUnaryExpression;
+    function isPostfixUnaryExpression(node: Node): node is PostfixUnaryExpression;
+    function isBinaryExpression(node: Node): node is BinaryExpression;
+    function isConditionalExpression(node: Node): node is ConditionalExpression;
+    function isTemplateExpression(node: Node): node is TemplateExpression;
+    function isYieldExpression(node: Node): node is YieldExpression;
+    function isSpreadElement(node: Node): node is SpreadElement;
+    function isClassExpression(node: Node): node is ClassExpression;
+    function isOmittedExpression(node: Node): node is OmittedExpression;
+    function isExpressionWithTypeArguments(node: Node): node is ExpressionWithTypeArguments;
+    function isAsExpression(node: Node): node is AsExpression;
+    function isNonNullExpression(node: Node): node is NonNullExpression;
+    function isNonNullChain(node: Node): node is NonNullChain;
+    function isMetaProperty(node: Node): node is MetaProperty;
+    function isTemplateSpan(node: Node): node is TemplateSpan;
+    function isSemicolonClassElement(node: Node): node is SemicolonClassElement;
+    function isBlock(node: Node): node is Block;
+    function isVariableStatement(node: Node): node is VariableStatement;
+    function isEmptyStatement(node: Node): node is EmptyStatement;
+    function isExpressionStatement(node: Node): node is ExpressionStatement;
+    function isIfStatement(node: Node): node is IfStatement;
+    function isDoStatement(node: Node): node is DoStatement;
+    function isWhileStatement(node: Node): node is WhileStatement;
+    function isForStatement(node: Node): node is ForStatement;
+    function isForInStatement(node: Node): node is ForInStatement;
+    function isForOfStatement(node: Node): node is ForOfStatement;
+    function isContinueStatement(node: Node): node is ContinueStatement;
+    function isBreakStatement(node: Node): node is BreakStatement;
+    function isBreakOrContinueStatement(node: Node): node is BreakOrContinueStatement;
+    function isReturnStatement(node: Node): node is ReturnStatement;
+    function isWithStatement(node: Node): node is WithStatement;
+    function isSwitchStatement(node: Node): node is SwitchStatement;
+    function isLabeledStatement(node: Node): node is LabeledStatement;
+    function isThrowStatement(node: Node): node is ThrowStatement;
+    function isTryStatement(node: Node): node is TryStatement;
+    function isDebuggerStatement(node: Node): node is DebuggerStatement;
+    function isVariableDeclaration(node: Node): node is VariableDeclaration;
+    function isVariableDeclarationList(node: Node): node is VariableDeclarationList;
+    function isFunctionDeclaration(node: Node): node is FunctionDeclaration;
+    function isClassDeclaration(node: Node): node is ClassDeclaration;
+    function isInterfaceDeclaration(node: Node): node is InterfaceDeclaration;
+    function isTypeAliasDeclaration(node: Node): node is TypeAliasDeclaration;
+    function isEnumDeclaration(node: Node): node is EnumDeclaration;
+    function isModuleDeclaration(node: Node): node is ModuleDeclaration;
+    function isModuleBlock(node: Node): node is ModuleBlock;
+    function isCaseBlock(node: Node): node is CaseBlock;
+    function isNamespaceExportDeclaration(node: Node): node is NamespaceExportDeclaration;
+    function isImportEqualsDeclaration(node: Node): node is ImportEqualsDeclaration;
+    function isImportDeclaration(node: Node): node is ImportDeclaration;
+    function isImportClause(node: Node): node is ImportClause;
+    function isNamespaceImport(node: Node): node is NamespaceImport;
+    function isNamespaceExport(node: Node): node is NamespaceExport;
+    function isNamedExportBindings(node: Node): node is NamedExportBindings;
+    function isNamedImports(node: Node): node is NamedImports;
+    function isImportSpecifier(node: Node): node is ImportSpecifier;
+    function isExportAssignment(node: Node): node is ExportAssignment;
+    function isExportDeclaration(node: Node): node is ExportDeclaration;
+    function isNamedExports(node: Node): node is NamedExports;
+    function isExportSpecifier(node: Node): node is ExportSpecifier;
+    function isMissingDeclaration(node: Node): node is MissingDeclaration;
+    function isExternalModuleReference(node: Node): node is ExternalModuleReference;
+    function isJsxElement(node: Node): node is JsxElement;
+    function isJsxSelfClosingElement(node: Node): node is JsxSelfClosingElement;
+    function isJsxOpeningElement(node: Node): node is JsxOpeningElement;
+    function isJsxClosingElement(node: Node): node is JsxClosingElement;
+    function isJsxFragment(node: Node): node is JsxFragment;
+    function isJsxOpeningFragment(node: Node): node is JsxOpeningFragment;
+    function isJsxClosingFragment(node: Node): node is JsxClosingFragment;
+    function isJsxAttribute(node: Node): node is JsxAttribute;
+    function isJsxAttributes(node: Node): node is JsxAttributes;
+    function isJsxSpreadAttribute(node: Node): node is JsxSpreadAttribute;
+    function isJsxExpression(node: Node): node is JsxExpression;
+    function isCaseClause(node: Node): node is CaseClause;
+    function isDefaultClause(node: Node): node is DefaultClause;
+    function isHeritageClause(node: Node): node is HeritageClause;
+    function isCatchClause(node: Node): node is CatchClause;
+    function isPropertyAssignment(node: Node): node is PropertyAssignment;
+    function isShorthandPropertyAssignment(node: Node): node is ShorthandPropertyAssignment;
+    function isSpreadAssignment(node: Node): node is SpreadAssignment;
+    function isEnumMember(node: Node): node is EnumMember;
+    function isSourceFile(node: Node): node is SourceFile;
+    function isBundle(node: Node): node is Bundle;
+    function isUnparsedSource(node: Node): node is UnparsedSource;
+    function isUnparsedPrepend(node: Node): node is UnparsedPrepend;
+    function isUnparsedTextLike(node: Node): node is UnparsedTextLike;
+    function isUnparsedNode(node: Node): node is UnparsedNode;
+    function isJSDocTypeExpression(node: Node): node is JSDocTypeExpression;
+    function isJSDocAllType(node: Node): node is JSDocAllType;
+    function isJSDocUnknownType(node: Node): node is JSDocUnknownType;
+    function isJSDocNullableType(node: Node): node is JSDocNullableType;
+    function isJSDocNonNullableType(node: Node): node is JSDocNonNullableType;
+    function isJSDocOptionalType(node: Node): node is JSDocOptionalType;
+    function isJSDocFunctionType(node: Node): node is JSDocFunctionType;
+    function isJSDocVariadicType(node: Node): node is JSDocVariadicType;
+    function isJSDoc(node: Node): node is JSDoc;
+    function isJSDocAuthorTag(node: Node): node is JSDocAuthorTag;
+    function isJSDocAugmentsTag(node: Node): node is JSDocAugmentsTag;
+    function isJSDocImplementsTag(node: Node): node is JSDocImplementsTag;
+    function isJSDocClassTag(node: Node): node is JSDocClassTag;
+    function isJSDocPublicTag(node: Node): node is JSDocPublicTag;
+    function isJSDocPrivateTag(node: Node): node is JSDocPrivateTag;
+    function isJSDocProtectedTag(node: Node): node is JSDocProtectedTag;
+    function isJSDocReadonlyTag(node: Node): node is JSDocReadonlyTag;
+    function isJSDocEnumTag(node: Node): node is JSDocEnumTag;
+    function isJSDocThisTag(node: Node): node is JSDocThisTag;
+    function isJSDocParameterTag(node: Node): node is JSDocParameterTag;
+    function isJSDocReturnTag(node: Node): node is JSDocReturnTag;
+    function isJSDocTypeTag(node: Node): node is JSDocTypeTag;
+    function isJSDocTemplateTag(node: Node): node is JSDocTemplateTag;
+    function isJSDocTypedefTag(node: Node): node is JSDocTypedefTag;
+    function isJSDocPropertyTag(node: Node): node is JSDocPropertyTag;
+    function isJSDocPropertyLikeTag(node: Node): node is JSDocPropertyLikeTag;
+    function isJSDocTypeLiteral(node: Node): node is JSDocTypeLiteral;
+    function isJSDocCallbackTag(node: Node): node is JSDocCallbackTag;
+    function isJSDocSignature(node: Node): node is JSDocSignature;
+    /**
+     * True if node is of some token syntax kind.
+     * For example, this is true for an IfKeyword but not for an IfStatement.
+     * Literals are considered tokens, except TemplateLiteral, but does include TemplateHead/Middle/Tail.
+     */
+    function isToken(n: Node): boolean;
+    function isLiteralExpression(node: Node): node is LiteralExpression;
+    type TemplateLiteralToken = NoSubstitutionTemplateLiteral | TemplateHead | TemplateMiddle | TemplateTail;
+    function isTemplateLiteralToken(node: Node): node is TemplateLiteralToken;
+    function isTemplateMiddleOrTemplateTail(node: Node): node is TemplateMiddle | TemplateTail;
+    function isImportOrExportSpecifier(node: Node): node is ImportSpecifier | ExportSpecifier;
+    function isTypeOnlyImportOrExportDeclaration(node: Node): node is TypeOnlyCompatibleAliasDeclaration;
+    function isStringTextContainingNode(node: Node): node is StringLiteral | TemplateLiteralToken;
+    function isModifier(node: Node): node is Modifier;
+    function isEntityName(node: Node): node is EntityName;
+    function isPropertyName(node: Node): node is PropertyName;
+    function isBindingName(node: Node): node is BindingName;
+    function isFunctionLike(node: Node): node is SignatureDeclaration;
+    function isClassElement(node: Node): node is ClassElement;
+    function isClassLike(node: Node): node is ClassLikeDeclaration;
+    function isAccessor(node: Node): node is AccessorDeclaration;
+    function isTypeElement(node: Node): node is TypeElement;
+    function isClassOrTypeElement(node: Node): node is ClassElement | TypeElement;
+    function isObjectLiteralElementLike(node: Node): node is ObjectLiteralElementLike;
+    /**
+     * Node test that determines whether a node is a valid type node.
+     * This differs from the `isPartOfTypeNode` function which determines whether a node is *part*
+     * of a TypeNode.
+     */
+    function isTypeNode(node: Node): node is TypeNode;
+    function isFunctionOrConstructorTypeNode(node: Node): node is FunctionTypeNode | ConstructorTypeNode;
+    function isPropertyAccessOrQualifiedName(node: Node): node is PropertyAccessExpression | QualifiedName;
+    function isCallLikeExpression(node: Node): node is CallLikeExpression;
+    function isCallOrNewExpression(node: Node): node is CallExpression | NewExpression;
+    function isTemplateLiteral(node: Node): node is TemplateLiteral;
+    function isAssertionExpression(node: Node): node is AssertionExpression;
+    function isIterationStatement(node: Node, lookInLabeledStatements: false): node is IterationStatement;
+    function isIterationStatement(node: Node, lookInLabeledStatements: boolean): node is IterationStatement | LabeledStatement;
+    function isJsxOpeningLikeElement(node: Node): node is JsxOpeningLikeElement;
+    function isCaseOrDefaultClause(node: Node): node is CaseOrDefaultClause;
+    /** True if node is of a kind that may contain comment text. */
+    function isJSDocCommentContainingNode(node: Node): boolean;
+    function isSetAccessor(node: Node): node is SetAccessorDeclaration;
+    function isGetAccessor(node: Node): node is GetAccessorDeclaration;
+    /** True if has initializer node attached to it. */
+    function hasOnlyExpressionInitializer(node: Node): node is HasExpressionInitializer;
+    function isObjectLiteralElement(node: Node): node is ObjectLiteralElement;
+    function isStringLiteralLike(node: Node): node is StringLiteralLike;
+}
+declare namespace ts {
+    export function createNode(kind: SyntaxKind, pos?: number, end?: number): Node;
+    /**
+     * Invokes a callback for each child of the given node. The 'cbNode' callback is invoked for all child nodes
+     * stored in properties. If a 'cbNodes' callback is specified, it is invoked for embedded arrays; otherwise,
+     * embedded arrays are flattened and the 'cbNode' callback is invoked for each element. If a callback returns
+     * a truthy value, iteration stops and that value is returned. Otherwise, undefined is returned.
+     *
+     * @param node a given node to visit its children
+     * @param cbNode a callback to be invoked for all child nodes
+     * @param cbNodes a callback to be invoked for embedded array
+     *
+     * @remarks `forEachChild` must visit the children of a node in the order
+     * that they appear in the source code. The language service depends on this property to locate nodes by position.
+     */
+    export function forEachChild<T>(node: Node, cbNode: (node: Node) => T | undefined, cbNodes?: (nodes: NodeArray<Node>) => T | undefined): T | undefined;
+    export function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean, scriptKind?: ScriptKind): SourceFile;
+    export function parseIsolatedEntityName(text: string, languageVersion: ScriptTarget): EntityName | undefined;
+    /**
+     * Parse json text into SyntaxTree and return node and parse errors if any
+     * @param fileName
+     * @param sourceText
+     */
+    export function parseJsonText(fileName: string, sourceText: string): JsonSourceFile;
+    export function isExternalModule(file: SourceFile): boolean;
+    export function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile;
+    export {};
+}
+declare namespace ts {
+    export function parseCommandLine(commandLine: readonly string[], readFile?: (path: string) => string | undefined): ParsedCommandLine;
+    export type DiagnosticReporter = (diagnostic: Diagnostic) => void;
+    /**
+     * Reports config file diagnostics
+     */
+    export interface ConfigFileDiagnosticsReporter {
+        /**
+         * Reports unrecoverable error when parsing config file
+         */
+        onUnRecoverableConfigFileDiagnostic: DiagnosticReporter;
+    }
+    /**
+     * Interface extending ParseConfigHost to support ParseConfigFile that reads config file and reports errors
+     */
+    export interface ParseConfigFileHost extends ParseConfigHost, ConfigFileDiagnosticsReporter {
+        getCurrentDirectory(): string;
+    }
+    /**
+     * Reads the config file, reports errors if any and exits if the config file cannot be found
+     */
+    export function getParsedCommandLineOfConfigFile(configFileName: string, optionsToExtend: CompilerOptions, host: ParseConfigFileHost, extendedConfigCache?: Map<ExtendedConfigCacheEntry>, watchOptionsToExtend?: WatchOptions, extraFileExtensions?: readonly FileExtensionInfo[]): ParsedCommandLine | undefined;
+    /**
+     * Read tsconfig.json file
+     * @param fileName The path to the config file
+     */
+    export function readConfigFile(fileName: string, readFile: (path: string) => string | undefined): {
+        config?: any;
+        error?: Diagnostic;
+    };
+    /**
+     * Parse the text of the tsconfig.json file
+     * @param fileName The path to the config file
+     * @param jsonText The text of the config file
+     */
+    export function parseConfigFileTextToJson(fileName: string, jsonText: string): {
+        config?: any;
+        error?: Diagnostic;
+    };
+    /**
+     * Read tsconfig.json file
+     * @param fileName The path to the config file
+     */
+    export function readJsonConfigFile(fileName: string, readFile: (path: string) => string | undefined): TsConfigSourceFile;
+    /**
+     * Convert the json syntax tree into the json value
+     */
+    export function convertToObject(sourceFile: JsonSourceFile, errors: Push<Diagnostic>): any;
+    /**
+     * Parse the contents of a config file (tsconfig.json).
+     * @param json The contents of the config file to parse
+     * @param host Instance of ParseConfigHost used to enumerate files in folder.
+     * @param basePath A root directory to resolve relative path entries in the config
+     *    file to. e.g. outDir
+     */
+    export function parseJsonConfigFileContent(json: any, host: ParseConfigHost, basePath: string, existingOptions?: CompilerOptions, configFileName?: string, resolutionStack?: Path[], extraFileExtensions?: readonly FileExtensionInfo[], extendedConfigCache?: Map<ExtendedConfigCacheEntry>, existingWatchOptions?: WatchOptions): ParsedCommandLine;
+    /**
+     * Parse the contents of a config file (tsconfig.json).
+     * @param jsonNode The contents of the config file to parse
+     * @param host Instance of ParseConfigHost used to enumerate files in folder.
+     * @param basePath A root directory to resolve relative path entries in the config
+     *    file to. e.g. outDir
+     */
+    export function parseJsonSourceFileConfigFileContent(sourceFile: TsConfigSourceFile, host: ParseConfigHost, basePath: string, existingOptions?: CompilerOptions, configFileName?: string, resolutionStack?: Path[], extraFileExtensions?: readonly FileExtensionInfo[], extendedConfigCache?: Map<ExtendedConfigCacheEntry>, existingWatchOptions?: WatchOptions): ParsedCommandLine;
+    export interface ParsedTsconfig {
+        raw: any;
+        options?: CompilerOptions;
+        watchOptions?: WatchOptions;
+        typeAcquisition?: TypeAcquisition;
+        /**
+         * Note that the case of the config path has not yet been normalized, as no files have been imported into the project yet
+         */
+        extendedConfigPath?: string;
+    }
+    export interface ExtendedConfigCacheEntry {
+        extendedResult: TsConfigSourceFile;
+        extendedConfig: ParsedTsconfig | undefined;
+    }
+    export function convertCompilerOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): {
+        options: CompilerOptions;
+        errors: Diagnostic[];
+    };
+    export function convertTypeAcquisitionFromJson(jsonOptions: any, basePath: string, configFileName?: string): {
+        options: TypeAcquisition;
+        errors: Diagnostic[];
+    };
+    export {};
+}
+declare namespace ts {
+    function getEffectiveTypeRoots(options: CompilerOptions, host: GetEffectiveTypeRootsHost): string[] | undefined;
+    /**
+     * @param {string | undefined} containingFile - file that contains type reference directive, can be undefined if containing file is unknown.
+     * This is possible in case if resolution is performed for directives specified via 'types' parameter. In this case initial path for secondary lookups
+     * is assumed to be the same as root directory of the project.
+     */
+    function resolveTypeReferenceDirective(typeReferenceDirectiveName: string, containingFile: string | undefined, options: CompilerOptions, host: ModuleResolutionHost, redirectedReference?: ResolvedProjectReference): ResolvedTypeReferenceDirectiveWithFailedLookupLocations;
+    /**
+     * Given a set of options, returns the set of type directive names
+     *   that should be included for this program automatically.
+     * This list could either come from the config file,
+     *   or from enumerating the types root + initial secondary types lookup location.
+     * More type directives might appear in the program later as a result of loading actual source files;
+     *   this list is only the set of defaults that are implicitly included.
+     */
+    function getAutomaticTypeDirectiveNames(options: CompilerOptions, host: ModuleResolutionHost): string[];
+    /**
+     * Cached module resolutions per containing directory.
+     * This assumes that any module id will have the same resolution for sibling files located in the same folder.
+     */
+    interface ModuleResolutionCache extends NonRelativeModuleNameResolutionCache {
+        getOrCreateCacheForDirectory(directoryName: string, redirectedReference?: ResolvedProjectReference): Map<ResolvedModuleWithFailedLookupLocations>;
+    }
+    /**
+     * Stored map from non-relative module name to a table: directory -> result of module lookup in this directory
+     * We support only non-relative module names because resolution of relative module names is usually more deterministic and thus less expensive.
+     */
+    interface NonRelativeModuleNameResolutionCache {
+        getOrCreateCacheForModuleName(nonRelativeModuleName: string, redirectedReference?: ResolvedProjectReference): PerModuleNameCache;
+    }
+    interface PerModuleNameCache {
+        get(directory: string): ResolvedModuleWithFailedLookupLocations | undefined;
+        set(directory: string, result: ResolvedModuleWithFailedLookupLocations): void;
+    }
+    function createModuleResolutionCache(currentDirectory: string, getCanonicalFileName: (s: string) => string, options?: CompilerOptions): ModuleResolutionCache;
+    function resolveModuleNameFromCache(moduleName: string, containingFile: string, cache: ModuleResolutionCache): ResolvedModuleWithFailedLookupLocations | undefined;
+    function resolveModuleName(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: ModuleResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
+    function nodeModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: ModuleResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
+    function classicNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: NonRelativeModuleNameResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
+}
+declare namespace ts {
+    function createNodeArray<T extends Node>(elements?: readonly T[], hasTrailingComma?: boolean): NodeArray<T>;
+    /** If a node is passed, creates a string literal whose source text is read from a source node during emit. */
+    function createLiteral(value: string | StringLiteral | NoSubstitutionTemplateLiteral | NumericLiteral | Identifier): StringLiteral;
+    function createLiteral(value: number | PseudoBigInt): NumericLiteral;
+    function createLiteral(value: boolean): BooleanLiteral;
+    function createLiteral(value: string | number | PseudoBigInt | boolean): PrimaryExpression;
+    function createNumericLiteral(value: string, numericLiteralFlags?: TokenFlags): NumericLiteral;
+    function createBigIntLiteral(value: string): BigIntLiteral;
+    function createStringLiteral(text: string): StringLiteral;
+    function createRegularExpressionLiteral(text: string): RegularExpressionLiteral;
+    function createIdentifier(text: string): Identifier;
+    function updateIdentifier(node: Identifier): Identifier;
+    /** Create a unique temporary variable. */
+    function createTempVariable(recordTempVariable: ((node: Identifier) => void) | undefined): Identifier;
+    /** Create a unique temporary variable for use in a loop. */
+    function createLoopVariable(): Identifier;
+    /** Create a unique name based on the supplied text. */
+    function createUniqueName(text: string): Identifier;
+    /** Create a unique name based on the supplied text. */
+    function createOptimisticUniqueName(text: string): Identifier;
+    /** Create a unique name based on the supplied text. This does not consider names injected by the transformer. */
+    function createFileLevelUniqueName(text: string): Identifier;
+    /** Create a unique name generated for a node. */
+    function getGeneratedNameForNode(node: Node | undefined): Identifier;
+    function createPrivateIdentifier(text: string): PrivateIdentifier;
+    function createToken<TKind extends SyntaxKind>(token: TKind): Token<TKind>;
+    function createSuper(): SuperExpression;
+    function createThis(): ThisExpression & Token<SyntaxKind.ThisKeyword>;
+    function createNull(): NullLiteral & Token<SyntaxKind.NullKeyword>;
+    function createTrue(): BooleanLiteral & Token<SyntaxKind.TrueKeyword>;
+    function createFalse(): BooleanLiteral & Token<SyntaxKind.FalseKeyword>;
+    function createModifier<T extends Modifier["kind"]>(kind: T): Token<T>;
+    function createModifiersFromModifierFlags(flags: ModifierFlags): Modifier[];
+    function createQualifiedName(left: EntityName, right: string | Identifier): QualifiedName;
+    function updateQualifiedName(node: QualifiedName, left: EntityName, right: Identifier): QualifiedName;
+    function createComputedPropertyName(expression: Expression): ComputedPropertyName;
+    function updateComputedPropertyName(node: ComputedPropertyName, expression: Expression): ComputedPropertyName;
+    function createTypeParameterDeclaration(name: string | Identifier, constraint?: TypeNode, defaultType?: TypeNode): TypeParameterDeclaration;
+    function updateTypeParameterDeclaration(node: TypeParameterDeclaration, name: Identifier, constraint: TypeNode | undefined, defaultType: TypeNode | undefined): TypeParameterDeclaration;
+    function createParameter(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, dotDotDotToken: DotDotDotToken | undefined, name: string | BindingName, questionToken?: QuestionToken, type?: TypeNode, initializer?: Expression): ParameterDeclaration;
+    function updateParameter(node: ParameterDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, dotDotDotToken: DotDotDotToken | undefined, name: string | BindingName, questionToken: QuestionToken | undefined, type: TypeNode | undefined, initializer: Expression | undefined): ParameterDeclaration;
+    function createDecorator(expression: Expression): Decorator;
+    function updateDecorator(node: Decorator, expression: Expression): Decorator;
+    function createPropertySignature(modifiers: readonly Modifier[] | undefined, name: PropertyName | string, questionToken: QuestionToken | undefined, type: TypeNode | undefined, initializer: Expression | undefined): PropertySignature;
+    function updatePropertySignature(node: PropertySignature, modifiers: readonly Modifier[] | undefined, name: PropertyName, questionToken: QuestionToken | undefined, type: TypeNode | undefined, initializer: Expression | undefined): PropertySignature;
+    function createProperty(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: string | PropertyName, questionOrExclamationToken: QuestionToken | ExclamationToken | undefined, type: TypeNode | undefined, initializer: Expression | undefined): PropertyDeclaration;
+    function updateProperty(node: PropertyDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: string | PropertyName, questionOrExclamationToken: QuestionToken | ExclamationToken | undefined, type: TypeNode | undefined, initializer: Expression | undefined): PropertyDeclaration;
+    function createMethodSignature(typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, name: string | PropertyName, questionToken: QuestionToken | undefined): MethodSignature;
+    function updateMethodSignature(node: MethodSignature, typeParameters: NodeArray<TypeParameterDeclaration> | undefined, parameters: NodeArray<ParameterDeclaration>, type: TypeNode | undefined, name: PropertyName, questionToken: QuestionToken | undefined): MethodSignature;
+    function createMethod(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, asteriskToken: AsteriskToken | undefined, name: string | PropertyName, questionToken: QuestionToken | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): MethodDeclaration;
+    function updateMethod(node: MethodDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, asteriskToken: AsteriskToken | undefined, name: PropertyName, questionToken: QuestionToken | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): MethodDeclaration;
+    function createConstructor(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, parameters: readonly ParameterDeclaration[], body: Block | undefined): ConstructorDeclaration;
+    function updateConstructor(node: ConstructorDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, parameters: readonly ParameterDeclaration[], body: Block | undefined): ConstructorDeclaration;
+    function createGetAccessor(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: string | PropertyName, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): GetAccessorDeclaration;
+    function updateGetAccessor(node: GetAccessorDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: PropertyName, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): GetAccessorDeclaration;
+    function createSetAccessor(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: string | PropertyName, parameters: readonly ParameterDeclaration[], body: Block | undefined): SetAccessorDeclaration;
+    function updateSetAccessor(node: SetAccessorDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: PropertyName, parameters: readonly ParameterDeclaration[], body: Block | undefined): SetAccessorDeclaration;
+    function createCallSignature(typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined): CallSignatureDeclaration;
+    function updateCallSignature(node: CallSignatureDeclaration, typeParameters: NodeArray<TypeParameterDeclaration> | undefined, parameters: NodeArray<ParameterDeclaration>, type: TypeNode | undefined): CallSignatureDeclaration;
+    function createConstructSignature(typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined): ConstructSignatureDeclaration;
+    function updateConstructSignature(node: ConstructSignatureDeclaration, typeParameters: NodeArray<TypeParameterDeclaration> | undefined, parameters: NodeArray<ParameterDeclaration>, type: TypeNode | undefined): ConstructSignatureDeclaration;
+    function createIndexSignature(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode): IndexSignatureDeclaration;
+    function updateIndexSignature(node: IndexSignatureDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode): IndexSignatureDeclaration;
+    function createKeywordTypeNode(kind: KeywordTypeNode["kind"]): KeywordTypeNode;
+    function createTypePredicateNode(parameterName: Identifier | ThisTypeNode | string, type: TypeNode): TypePredicateNode;
+    function createTypePredicateNodeWithModifier(assertsModifier: AssertsToken | undefined, parameterName: Identifier | ThisTypeNode | string, type: TypeNode | undefined): TypePredicateNode;
+    function updateTypePredicateNode(node: TypePredicateNode, parameterName: Identifier | ThisTypeNode, type: TypeNode): TypePredicateNode;
+    function updateTypePredicateNodeWithModifier(node: TypePredicateNode, assertsModifier: AssertsToken | undefined, parameterName: Identifier | ThisTypeNode, type: TypeNode | undefined): TypePredicateNode;
+    function createTypeReferenceNode(typeName: string | EntityName, typeArguments: readonly TypeNode[] | undefined): TypeReferenceNode;
+    function updateTypeReferenceNode(node: TypeReferenceNode, typeName: EntityName, typeArguments: NodeArray<TypeNode> | undefined): TypeReferenceNode;
+    function createFunctionTypeNode(typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined): FunctionTypeNode;
+    function updateFunctionTypeNode(node: FunctionTypeNode, typeParameters: NodeArray<TypeParameterDeclaration> | undefined, parameters: NodeArray<ParameterDeclaration>, type: TypeNode | undefined): FunctionTypeNode;
+    function createConstructorTypeNode(typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined): ConstructorTypeNode;
+    function updateConstructorTypeNode(node: ConstructorTypeNode, typeParameters: NodeArray<TypeParameterDeclaration> | undefined, parameters: NodeArray<ParameterDeclaration>, type: TypeNode | undefined): ConstructorTypeNode;
+    function createTypeQueryNode(exprName: EntityName): TypeQueryNode;
+    function updateTypeQueryNode(node: TypeQueryNode, exprName: EntityName): TypeQueryNode;
+    function createTypeLiteralNode(members: readonly TypeElement[] | undefined): TypeLiteralNode;
+    function updateTypeLiteralNode(node: TypeLiteralNode, members: NodeArray<TypeElement>): TypeLiteralNode;
+    function createArrayTypeNode(elementType: TypeNode): ArrayTypeNode;
+    function updateArrayTypeNode(node: ArrayTypeNode, elementType: TypeNode): ArrayTypeNode;
+    function createTupleTypeNode(elementTypes: readonly TypeNode[]): TupleTypeNode;
+    function updateTupleTypeNode(node: TupleTypeNode, elementTypes: readonly TypeNode[]): TupleTypeNode;
+    function createOptionalTypeNode(type: TypeNode): OptionalTypeNode;
+    function updateOptionalTypeNode(node: OptionalTypeNode, type: TypeNode): OptionalTypeNode;
+    function createRestTypeNode(type: TypeNode): RestTypeNode;
+    function updateRestTypeNode(node: RestTypeNode, type: TypeNode): RestTypeNode;
+    function createUnionTypeNode(types: readonly TypeNode[]): UnionTypeNode;
+    function updateUnionTypeNode(node: UnionTypeNode, types: NodeArray<TypeNode>): UnionTypeNode;
+    function createIntersectionTypeNode(types: readonly TypeNode[]): IntersectionTypeNode;
+    function updateIntersectionTypeNode(node: IntersectionTypeNode, types: NodeArray<TypeNode>): IntersectionTypeNode;
+    function createUnionOrIntersectionTypeNode(kind: SyntaxKind.UnionType | SyntaxKind.IntersectionType, types: readonly TypeNode[]): UnionOrIntersectionTypeNode;
+    function createConditionalTypeNode(checkType: TypeNode, extendsType: TypeNode, trueType: TypeNode, falseType: TypeNode): ConditionalTypeNode;
+    function updateConditionalTypeNode(node: ConditionalTypeNode, checkType: TypeNode, extendsType: TypeNode, trueType: TypeNode, falseType: TypeNode): ConditionalTypeNode;
+    function createInferTypeNode(typeParameter: TypeParameterDeclaration): InferTypeNode;
+    function updateInferTypeNode(node: InferTypeNode, typeParameter: TypeParameterDeclaration): InferTypeNode;
+    function createImportTypeNode(argument: TypeNode, qualifier?: EntityName, typeArguments?: readonly TypeNode[], isTypeOf?: boolean): ImportTypeNode;
+    function updateImportTypeNode(node: ImportTypeNode, argument: TypeNode, qualifier?: EntityName, typeArguments?: readonly TypeNode[], isTypeOf?: boolean): ImportTypeNode;
+    function createParenthesizedType(type: TypeNode): ParenthesizedTypeNode;
+    function updateParenthesizedType(node: ParenthesizedTypeNode, type: TypeNode): ParenthesizedTypeNode;
+    function createThisTypeNode(): ThisTypeNode;
+    function createTypeOperatorNode(type: TypeNode): TypeOperatorNode;
+    function createTypeOperatorNode(operator: SyntaxKind.KeyOfKeyword | SyntaxKind.UniqueKeyword | SyntaxKind.ReadonlyKeyword, type: TypeNode): TypeOperatorNode;
+    function updateTypeOperatorNode(node: TypeOperatorNode, type: TypeNode): TypeOperatorNode;
+    function createIndexedAccessTypeNode(objectType: TypeNode, indexType: TypeNode): IndexedAccessTypeNode;
+    function updateIndexedAccessTypeNode(node: IndexedAccessTypeNode, objectType: TypeNode, indexType: TypeNode): IndexedAccessTypeNode;
+    function createMappedTypeNode(readonlyToken: ReadonlyToken | PlusToken | MinusToken | undefined, typeParameter: TypeParameterDeclaration, questionToken: QuestionToken | PlusToken | MinusToken | undefined, type: TypeNode | undefined): MappedTypeNode;
+    function updateMappedTypeNode(node: MappedTypeNode, readonlyToken: ReadonlyToken | PlusToken | MinusToken | undefined, typeParameter: TypeParameterDeclaration, questionToken: QuestionToken | PlusToken | MinusToken | undefined, type: TypeNode | undefined): MappedTypeNode;
+    function createLiteralTypeNode(literal: LiteralTypeNode["literal"]): LiteralTypeNode;
+    function updateLiteralTypeNode(node: LiteralTypeNode, literal: LiteralTypeNode["literal"]): LiteralTypeNode;
+    function createObjectBindingPattern(elements: readonly BindingElement[]): ObjectBindingPattern;
+    function updateObjectBindingPattern(node: ObjectBindingPattern, elements: readonly BindingElement[]): ObjectBindingPattern;
+    function createArrayBindingPattern(elements: readonly ArrayBindingElement[]): ArrayBindingPattern;
+    function updateArrayBindingPattern(node: ArrayBindingPattern, elements: readonly ArrayBindingElement[]): ArrayBindingPattern;
+    function createBindingElement(dotDotDotToken: DotDotDotToken | undefined, propertyName: string | PropertyName | undefined, name: string | BindingName, initializer?: Expression): BindingElement;
+    function updateBindingElement(node: BindingElement, dotDotDotToken: DotDotDotToken | undefined, propertyName: PropertyName | undefined, name: BindingName, initializer: Expression | undefined): BindingElement;
+    function createArrayLiteral(elements?: readonly Expression[], multiLine?: boolean): ArrayLiteralExpression;
+    function updateArrayLiteral(node: ArrayLiteralExpression, elements: readonly Expression[]): ArrayLiteralExpression;
+    function createObjectLiteral(properties?: readonly ObjectLiteralElementLike[], multiLine?: boolean): ObjectLiteralExpression;
+    function updateObjectLiteral(node: ObjectLiteralExpression, properties: readonly ObjectLiteralElementLike[]): ObjectLiteralExpression;
+    function createPropertyAccess(expression: Expression, name: string | Identifier | PrivateIdentifier): PropertyAccessExpression;
+    function updatePropertyAccess(node: PropertyAccessExpression, expression: Expression, name: Identifier | PrivateIdentifier): PropertyAccessExpression;
+    function createPropertyAccessChain(expression: Expression, questionDotToken: QuestionDotToken | undefined, name: string | Identifier): PropertyAccessChain;
+    function updatePropertyAccessChain(node: PropertyAccessChain, expression: Expression, questionDotToken: QuestionDotToken | undefined, name: Identifier): PropertyAccessChain;
+    function createElementAccess(expression: Expression, index: number | Expression): ElementAccessExpression;
+    function updateElementAccess(node: ElementAccessExpression, expression: Expression, argumentExpression: Expression): ElementAccessExpression;
+    function createElementAccessChain(expression: Expression, questionDotToken: QuestionDotToken | undefined, index: number | Expression): ElementAccessChain;
+    function updateElementAccessChain(node: ElementAccessChain, expression: Expression, questionDotToken: QuestionDotToken | undefined, argumentExpression: Expression): ElementAccessChain;
+    function createCall(expression: Expression, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[] | undefined): CallExpression;
+    function updateCall(node: CallExpression, expression: Expression, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[]): CallExpression;
+    function createCallChain(expression: Expression, questionDotToken: QuestionDotToken | undefined, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[] | undefined): CallChain;
+    function updateCallChain(node: CallChain, expression: Expression, questionDotToken: QuestionDotToken | undefined, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[]): CallChain;
+    function createNew(expression: Expression, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[] | undefined): NewExpression;
+    function updateNew(node: NewExpression, expression: Expression, typeArguments: readonly TypeNode[] | undefined, argumentsArray: readonly Expression[] | undefined): NewExpression;
+    /** @deprecated */ function createTaggedTemplate(tag: Expression, template: TemplateLiteral): TaggedTemplateExpression;
+    function createTaggedTemplate(tag: Expression, typeArguments: readonly TypeNode[] | undefined, template: TemplateLiteral): TaggedTemplateExpression;
+    /** @deprecated */ function updateTaggedTemplate(node: TaggedTemplateExpression, tag: Expression, template: TemplateLiteral): TaggedTemplateExpression;
+    function updateTaggedTemplate(node: TaggedTemplateExpression, tag: Expression, typeArguments: readonly TypeNode[] | undefined, template: TemplateLiteral): TaggedTemplateExpression;
+    function createTypeAssertion(type: TypeNode, expression: Expression): TypeAssertion;
+    function updateTypeAssertion(node: TypeAssertion, type: TypeNode, expression: Expression): TypeAssertion;
+    function createParen(expression: Expression): ParenthesizedExpression;
+    function updateParen(node: ParenthesizedExpression, expression: Expression): ParenthesizedExpression;
+    function createFunctionExpression(modifiers: readonly Modifier[] | undefined, asteriskToken: AsteriskToken | undefined, name: string | Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[] | undefined, type: TypeNode | undefined, body: Block): FunctionExpression;
+    function updateFunctionExpression(node: FunctionExpression, modifiers: readonly Modifier[] | undefined, asteriskToken: AsteriskToken | undefined, name: Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block): FunctionExpression;
+    function createArrowFunction(modifiers: readonly Modifier[] | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, equalsGreaterThanToken: EqualsGreaterThanToken | undefined, body: ConciseBody): ArrowFunction;
+    function updateArrowFunction(node: ArrowFunction, modifiers: readonly Modifier[] | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, equalsGreaterThanToken: Token<SyntaxKind.EqualsGreaterThanToken>, body: ConciseBody): ArrowFunction;
+    function createDelete(expression: Expression): DeleteExpression;
+    function updateDelete(node: DeleteExpression, expression: Expression): DeleteExpression;
+    function createTypeOf(expression: Expression): TypeOfExpression;
+    function updateTypeOf(node: TypeOfExpression, expression: Expression): TypeOfExpression;
+    function createVoid(expression: Expression): VoidExpression;
+    function updateVoid(node: VoidExpression, expression: Expression): VoidExpression;
+    function createAwait(expression: Expression): AwaitExpression;
+    function updateAwait(node: AwaitExpression, expression: Expression): AwaitExpression;
+    function createPrefix(operator: PrefixUnaryOperator, operand: Expression): PrefixUnaryExpression;
+    function updatePrefix(node: PrefixUnaryExpression, operand: Expression): PrefixUnaryExpression;
+    function createPostfix(operand: Expression, operator: PostfixUnaryOperator): PostfixUnaryExpression;
+    function updatePostfix(node: PostfixUnaryExpression, operand: Expression): PostfixUnaryExpression;
+    function createBinary(left: Expression, operator: BinaryOperator | BinaryOperatorToken, right: Expression): BinaryExpression;
+    function updateBinary(node: BinaryExpression, left: Expression, right: Expression, operator?: BinaryOperator | BinaryOperatorToken): BinaryExpression;
+    /** @deprecated */ function createConditional(condition: Expression, whenTrue: Expression, whenFalse: Expression): ConditionalExpression;
+    function createConditional(condition: Expression, questionToken: QuestionToken, whenTrue: Expression, colonToken: ColonToken, whenFalse: Expression): ConditionalExpression;
+    function updateConditional(node: ConditionalExpression, condition: Expression, questionToken: Token<SyntaxKind.QuestionToken>, whenTrue: Expression, colonToken: Token<SyntaxKind.ColonToken>, whenFalse: Expression): ConditionalExpression;
+    function createTemplateExpression(head: TemplateHead, templateSpans: readonly TemplateSpan[]): TemplateExpression;
+    function updateTemplateExpression(node: TemplateExpression, head: TemplateHead, templateSpans: readonly TemplateSpan[]): TemplateExpression;
+    function createTemplateHead(text: string, rawText?: string): TemplateHead;
+    function createTemplateMiddle(text: string, rawText?: string): TemplateMiddle;
+    function createTemplateTail(text: string, rawText?: string): TemplateTail;
+    function createNoSubstitutionTemplateLiteral(text: string, rawText?: string): NoSubstitutionTemplateLiteral;
+    function createYield(expression?: Expression): YieldExpression;
+    function createYield(asteriskToken: AsteriskToken | undefined, expression: Expression): YieldExpression;
+    function updateYield(node: YieldExpression, asteriskToken: AsteriskToken | undefined, expression: Expression): YieldExpression;
+    function createSpread(expression: Expression): SpreadElement;
+    function updateSpread(node: SpreadElement, expression: Expression): SpreadElement;
+    function createClassExpression(modifiers: readonly Modifier[] | undefined, name: string | Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly ClassElement[]): ClassExpression;
+    function updateClassExpression(node: ClassExpression, modifiers: readonly Modifier[] | undefined, name: Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly ClassElement[]): ClassExpression;
+    function createOmittedExpression(): OmittedExpression;
+    function createExpressionWithTypeArguments(typeArguments: readonly TypeNode[] | undefined, expression: Expression): ExpressionWithTypeArguments;
+    function updateExpressionWithTypeArguments(node: ExpressionWithTypeArguments, typeArguments: readonly TypeNode[] | undefined, expression: Expression): ExpressionWithTypeArguments;
+    function createAsExpression(expression: Expression, type: TypeNode): AsExpression;
+    function updateAsExpression(node: AsExpression, expression: Expression, type: TypeNode): AsExpression;
+    function createNonNullExpression(expression: Expression): NonNullExpression;
+    function updateNonNullExpression(node: NonNullExpression, expression: Expression): NonNullExpression;
+    function createNonNullChain(expression: Expression): NonNullChain;
+    function updateNonNullChain(node: NonNullChain, expression: Expression): NonNullChain;
+    function createMetaProperty(keywordToken: MetaProperty["keywordToken"], name: Identifier): MetaProperty;
+    function updateMetaProperty(node: MetaProperty, name: Identifier): MetaProperty;
+    function createTemplateSpan(expression: Expression, literal: TemplateMiddle | TemplateTail): TemplateSpan;
+    function updateTemplateSpan(node: TemplateSpan, expression: Expression, literal: TemplateMiddle | TemplateTail): TemplateSpan;
+    function createSemicolonClassElement(): SemicolonClassElement;
+    function createBlock(statements: readonly Statement[], multiLine?: boolean): Block;
+    function updateBlock(node: Block, statements: readonly Statement[]): Block;
+    function createVariableStatement(modifiers: readonly Modifier[] | undefined, declarationList: VariableDeclarationList | readonly VariableDeclaration[]): VariableStatement;
+    function updateVariableStatement(node: VariableStatement, modifiers: readonly Modifier[] | undefined, declarationList: VariableDeclarationList): VariableStatement;
+    function createEmptyStatement(): EmptyStatement;
+    function createExpressionStatement(expression: Expression): ExpressionStatement;
+    function updateExpressionStatement(node: ExpressionStatement, expression: Expression): ExpressionStatement;
+    /** @deprecated Use `createExpressionStatement` instead.  */
+    const createStatement: typeof createExpressionStatement;
+    /** @deprecated Use `updateExpressionStatement` instead.  */
+    const updateStatement: typeof updateExpressionStatement;
+    function createIf(expression: Expression, thenStatement: Statement, elseStatement?: Statement): IfStatement;
+    function updateIf(node: IfStatement, expression: Expression, thenStatement: Statement, elseStatement: Statement | undefined): IfStatement;
+    function createDo(statement: Statement, expression: Expression): DoStatement;
+    function updateDo(node: DoStatement, statement: Statement, expression: Expression): DoStatement;
+    function createWhile(expression: Expression, statement: Statement): WhileStatement;
+    function updateWhile(node: WhileStatement, expression: Expression, statement: Statement): WhileStatement;
+    function createFor(initializer: ForInitializer | undefined, condition: Expression | undefined, incrementor: Expression | undefined, statement: Statement): ForStatement;
+    function updateFor(node: ForStatement, initializer: ForInitializer | undefined, condition: Expression | undefined, incrementor: Expression | undefined, statement: Statement): ForStatement;
+    function createForIn(initializer: ForInitializer, expression: Expression, statement: Statement): ForInStatement;
+    function updateForIn(node: ForInStatement, initializer: ForInitializer, expression: Expression, statement: Statement): ForInStatement;
+    function createForOf(awaitModifier: AwaitKeywordToken | undefined, initializer: ForInitializer, expression: Expression, statement: Statement): ForOfStatement;
+    function updateForOf(node: ForOfStatement, awaitModifier: AwaitKeywordToken | undefined, initializer: ForInitializer, expression: Expression, statement: Statement): ForOfStatement;
+    function createContinue(label?: string | Identifier): ContinueStatement;
+    function updateContinue(node: ContinueStatement, label: Identifier | undefined): ContinueStatement;
+    function createBreak(label?: string | Identifier): BreakStatement;
+    function updateBreak(node: BreakStatement, label: Identifier | undefined): BreakStatement;
+    function createReturn(expression?: Expression): ReturnStatement;
+    function updateReturn(node: ReturnStatement, expression: Expression | undefined): ReturnStatement;
+    function createWith(expression: Expression, statement: Statement): WithStatement;
+    function updateWith(node: WithStatement, expression: Expression, statement: Statement): WithStatement;
+    function createSwitch(expression: Expression, caseBlock: CaseBlock): SwitchStatement;
+    function updateSwitch(node: SwitchStatement, expression: Expression, caseBlock: CaseBlock): SwitchStatement;
+    function createLabel(label: string | Identifier, statement: Statement): LabeledStatement;
+    function updateLabel(node: LabeledStatement, label: Identifier, statement: Statement): LabeledStatement;
+    function createThrow(expression: Expression): ThrowStatement;
+    function updateThrow(node: ThrowStatement, expression: Expression): ThrowStatement;
+    function createTry(tryBlock: Block, catchClause: CatchClause | undefined, finallyBlock: Block | undefined): TryStatement;
+    function updateTry(node: TryStatement, tryBlock: Block, catchClause: CatchClause | undefined, finallyBlock: Block | undefined): TryStatement;
+    function createDebuggerStatement(): DebuggerStatement;
+    function createVariableDeclaration(name: string | BindingName, type?: TypeNode, initializer?: Expression): VariableDeclaration;
+    function updateVariableDeclaration(node: VariableDeclaration, name: BindingName, type: TypeNode | undefined, initializer: Expression | undefined): VariableDeclaration;
+    function createVariableDeclarationList(declarations: readonly VariableDeclaration[], flags?: NodeFlags): VariableDeclarationList;
+    function updateVariableDeclarationList(node: VariableDeclarationList, declarations: readonly VariableDeclaration[]): VariableDeclarationList;
+    function createFunctionDeclaration(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, asteriskToken: AsteriskToken | undefined, name: string | Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): FunctionDeclaration;
+    function updateFunctionDeclaration(node: FunctionDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, asteriskToken: AsteriskToken | undefined, name: Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, parameters: readonly ParameterDeclaration[], type: TypeNode | undefined, body: Block | undefined): FunctionDeclaration;
+    function createClassDeclaration(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: string | Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly ClassElement[]): ClassDeclaration;
+    function updateClassDeclaration(node: ClassDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: Identifier | undefined, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly ClassElement[]): ClassDeclaration;
+    function createInterfaceDeclaration(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: string | Identifier, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly TypeElement[]): InterfaceDeclaration;
+    function updateInterfaceDeclaration(node: InterfaceDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: Identifier, typeParameters: readonly TypeParameterDeclaration[] | undefined, heritageClauses: readonly HeritageClause[] | undefined, members: readonly TypeElement[]): InterfaceDeclaration;
+    function createTypeAliasDeclaration(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: string | Identifier, typeParameters: readonly TypeParameterDeclaration[] | undefined, type: TypeNode): TypeAliasDeclaration;
+    function updateTypeAliasDeclaration(node: TypeAliasDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: Identifier, typeParameters: readonly TypeParameterDeclaration[] | undefined, type: TypeNode): TypeAliasDeclaration;
+    function createEnumDeclaration(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: string | Identifier, members: readonly EnumMember[]): EnumDeclaration;
+    function updateEnumDeclaration(node: EnumDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: Identifier, members: readonly EnumMember[]): EnumDeclaration;
+    function createModuleDeclaration(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: ModuleName, body: ModuleBody | undefined, flags?: NodeFlags): ModuleDeclaration;
+    function updateModuleDeclaration(node: ModuleDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: ModuleName, body: ModuleBody | undefined): ModuleDeclaration;
+    function createModuleBlock(statements: readonly Statement[]): ModuleBlock;
+    function updateModuleBlock(node: ModuleBlock, statements: readonly Statement[]): ModuleBlock;
+    function createCaseBlock(clauses: readonly CaseOrDefaultClause[]): CaseBlock;
+    function updateCaseBlock(node: CaseBlock, clauses: readonly CaseOrDefaultClause[]): CaseBlock;
+    function createNamespaceExportDeclaration(name: string | Identifier): NamespaceExportDeclaration;
+    function updateNamespaceExportDeclaration(node: NamespaceExportDeclaration, name: Identifier): NamespaceExportDeclaration;
+    function createImportEqualsDeclaration(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: string | Identifier, moduleReference: ModuleReference): ImportEqualsDeclaration;
+    function updateImportEqualsDeclaration(node: ImportEqualsDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, name: Identifier, moduleReference: ModuleReference): ImportEqualsDeclaration;
+    function createImportDeclaration(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, importClause: ImportClause | undefined, moduleSpecifier: Expression): ImportDeclaration;
+    function updateImportDeclaration(node: ImportDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, importClause: ImportClause | undefined, moduleSpecifier: Expression): ImportDeclaration;
+    function createImportClause(name: Identifier | undefined, namedBindings: NamedImportBindings | undefined, isTypeOnly?: boolean): ImportClause;
+    function updateImportClause(node: ImportClause, name: Identifier | undefined, namedBindings: NamedImportBindings | undefined, isTypeOnly: boolean): ImportClause;
+    function createNamespaceImport(name: Identifier): NamespaceImport;
+    function createNamespaceExport(name: Identifier): NamespaceExport;
+    function updateNamespaceImport(node: NamespaceImport, name: Identifier): NamespaceImport;
+    function updateNamespaceExport(node: NamespaceExport, name: Identifier): NamespaceExport;
+    function createNamedImports(elements: readonly ImportSpecifier[]): NamedImports;
+    function updateNamedImports(node: NamedImports, elements: readonly ImportSpecifier[]): NamedImports;
+    function createImportSpecifier(propertyName: Identifier | undefined, name: Identifier): ImportSpecifier;
+    function updateImportSpecifier(node: ImportSpecifier, propertyName: Identifier | undefined, name: Identifier): ImportSpecifier;
+    function createExportAssignment(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, isExportEquals: boolean | undefined, expression: Expression): ExportAssignment;
+    function updateExportAssignment(node: ExportAssignment, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, expression: Expression): ExportAssignment;
+    function createExportDeclaration(decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, exportClause: NamedExportBindings | undefined, moduleSpecifier?: Expression, isTypeOnly?: boolean): ExportDeclaration;
+    function updateExportDeclaration(node: ExportDeclaration, decorators: readonly Decorator[] | undefined, modifiers: readonly Modifier[] | undefined, exportClause: NamedExportBindings | undefined, moduleSpecifier: Expression | undefined, isTypeOnly: boolean): ExportDeclaration;
+    function createNamedExports(elements: readonly ExportSpecifier[]): NamedExports;
+    function updateNamedExports(node: NamedExports, elements: readonly ExportSpecifier[]): NamedExports;
+    function createExportSpecifier(propertyName: string | Identifier | undefined, name: string | Identifier): ExportSpecifier;
+    function updateExportSpecifier(node: ExportSpecifier, propertyName: Identifier | undefined, name: Identifier): ExportSpecifier;
+    function createExternalModuleReference(expression: Expression): ExternalModuleReference;
+    function updateExternalModuleReference(node: ExternalModuleReference, expression: Expression): ExternalModuleReference;
+    function createJsxElement(openingElement: JsxOpeningElement, children: readonly JsxChild[], closingElement: JsxClosingElement): JsxElement;
+    function updateJsxElement(node: JsxElement, openingElement: JsxOpeningElement, children: readonly JsxChild[], closingElement: JsxClosingElement): JsxElement;
+    function createJsxSelfClosingElement(tagName: JsxTagNameExpression, typeArguments: readonly TypeNode[] | undefined, attributes: JsxAttributes): JsxSelfClosingElement;
+    function updateJsxSelfClosingElement(node: JsxSelfClosingElement, tagName: JsxTagNameExpression, typeArguments: readonly TypeNode[] | undefined, attributes: JsxAttributes): JsxSelfClosingElement;
+    function createJsxOpeningElement(tagName: JsxTagNameExpression, typeArguments: readonly TypeNode[] | undefined, attributes: JsxAttributes): JsxOpeningElement;
+    function updateJsxOpeningElement(node: JsxOpeningElement, tagName: JsxTagNameExpression, typeArguments: readonly TypeNode[] | undefined, attributes: JsxAttributes): JsxOpeningElement;
+    function createJsxClosingElement(tagName: JsxTagNameExpression): JsxClosingElement;
+    function updateJsxClosingElement(node: JsxClosingElement, tagName: JsxTagNameExpression): JsxClosingElement;
+    function createJsxFragment(openingFragment: JsxOpeningFragment, children: readonly JsxChild[], closingFragment: JsxClosingFragment): JsxFragment;
+    function createJsxText(text: string, containsOnlyTriviaWhiteSpaces?: boolean): JsxText;
+    function updateJsxText(node: JsxText, text: string, containsOnlyTriviaWhiteSpaces?: boolean): JsxText;
+    function createJsxOpeningFragment(): JsxOpeningFragment;
+    function createJsxJsxClosingFragment(): JsxClosingFragment;
+    function updateJsxFragment(node: JsxFragment, openingFragment: JsxOpeningFragment, children: readonly JsxChild[], closingFragment: JsxClosingFragment): JsxFragment;
+    function createJsxAttribute(name: Identifier, initializer: StringLiteral | JsxExpression): JsxAttribute;
+    function updateJsxAttribute(node: JsxAttribute, name: Identifier, initializer: StringLiteral | JsxExpression): JsxAttribute;
+    function createJsxAttributes(properties: readonly JsxAttributeLike[]): JsxAttributes;
+    function updateJsxAttributes(node: JsxAttributes, properties: readonly JsxAttributeLike[]): JsxAttributes;
+    function createJsxSpreadAttribute(expression: Expression): JsxSpreadAttribute;
+    function updateJsxSpreadAttribute(node: JsxSpreadAttribute, expression: Expression): JsxSpreadAttribute;
+    function createJsxExpression(dotDotDotToken: DotDotDotToken | undefined, expression: Expression | undefined): JsxExpression;
+    function updateJsxExpression(node: JsxExpression, expression: Expression | undefined): JsxExpression;
+    function createCaseClause(expression: Expression, statements: readonly Statement[]): CaseClause;
+    function updateCaseClause(node: CaseClause, expression: Expression, statements: readonly Statement[]): CaseClause;
+    function createDefaultClause(statements: readonly Statement[]): DefaultClause;
+    function updateDefaultClause(node: DefaultClause, statements: readonly Statement[]): DefaultClause;
+    function createHeritageClause(token: HeritageClause["token"], types: readonly ExpressionWithTypeArguments[]): HeritageClause;
+    function updateHeritageClause(node: HeritageClause, types: readonly ExpressionWithTypeArguments[]): HeritageClause;
+    function createCatchClause(variableDeclaration: string | VariableDeclaration | undefined, block: Block): CatchClause;
+    function updateCatchClause(node: CatchClause, variableDeclaration: VariableDeclaration | undefined, block: Block): CatchClause;
+    function createPropertyAssignment(name: string | PropertyName, initializer: Expression): PropertyAssignment;
+    function updatePropertyAssignment(node: PropertyAssignment, name: PropertyName, initializer: Expression): PropertyAssignment;
+    function createShorthandPropertyAssignment(name: string | Identifier, objectAssignmentInitializer?: Expression): ShorthandPropertyAssignment;
+    function updateShorthandPropertyAssignment(node: ShorthandPropertyAssignment, name: Identifier, objectAssignmentInitializer: Expression | undefined): ShorthandPropertyAssignment;
+    function createSpreadAssignment(expression: Expression): SpreadAssignment;
+    function updateSpreadAssignment(node: SpreadAssignment, expression: Expression): SpreadAssignment;
+    function createEnumMember(name: string | PropertyName, initializer?: Expression): EnumMember;
+    function updateEnumMember(node: EnumMember, name: PropertyName, initializer: Expression | undefined): EnumMember;
+    function updateSourceFileNode(node: SourceFile, statements: readonly Statement[], isDeclarationFile?: boolean, referencedFiles?: SourceFile["referencedFiles"], typeReferences?: SourceFile["typeReferenceDirectives"], hasNoDefaultLib?: boolean, libReferences?: SourceFile["libReferenceDirectives"]): SourceFile;
+    /**
+     * Creates a shallow, memberwise clone of a node for mutation.
+     */
+    function getMutableClone<T extends Node>(node: T): T;
+    /**
+     * Creates a synthetic statement to act as a placeholder for a not-emitted statement in
+     * order to preserve comments.
+     *
+     * @param original The original statement.
+     */
+    function createNotEmittedStatement(original: Node): NotEmittedStatement;
+    /**
+     * Creates a synthetic expression to act as a placeholder for a not-emitted expression in
+     * order to preserve comments or sourcemap positions.
+     *
+     * @param expression The inner expression to emit.
+     * @param original The original outer expression.
+     * @param location The location for the expression. Defaults to the positions from "original" if provided.
+     */
+    function createPartiallyEmittedExpression(expression: Expression, original?: Node): PartiallyEmittedExpression;
+    function updatePartiallyEmittedExpression(node: PartiallyEmittedExpression, expression: Expression): PartiallyEmittedExpression;
+    function createCommaList(elements: readonly Expression[]): CommaListExpression;
+    function updateCommaList(node: CommaListExpression, elements: readonly Expression[]): CommaListExpression;
+    function createBundle(sourceFiles: readonly SourceFile[], prepends?: readonly (UnparsedSource | InputFiles)[]): Bundle;
+    function createUnparsedSourceFile(text: string): UnparsedSource;
+    function createUnparsedSourceFile(inputFile: InputFiles, type: "js" | "dts", stripInternal?: boolean): UnparsedSource;
+    function createUnparsedSourceFile(text: string, mapPath: string | undefined, map: string | undefined): UnparsedSource;
+    function createInputFiles(javascriptText: string, declarationText: string): InputFiles;
+    function createInputFiles(readFileText: (path: string) => string | undefined, javascriptPath: string, javascriptMapPath: string | undefined, declarationPath: string, declarationMapPath: string | undefined, buildInfoPath: string | undefined): InputFiles;
+    function createInputFiles(javascriptText: string, declarationText: string, javascriptMapPath: string | undefined, javascriptMapText: string | undefined, declarationMapPath: string | undefined, declarationMapText: string | undefined): InputFiles;
+    function updateBundle(node: Bundle, sourceFiles: readonly SourceFile[], prepends?: readonly (UnparsedSource | InputFiles)[]): Bundle;
+    function createImmediatelyInvokedFunctionExpression(statements: readonly Statement[]): CallExpression;
+    function createImmediatelyInvokedFunctionExpression(statements: readonly Statement[], param: ParameterDeclaration, paramValue: Expression): CallExpression;
+    function createImmediatelyInvokedArrowFunction(statements: readonly Statement[]): CallExpression;
+    function createImmediatelyInvokedArrowFunction(statements: readonly Statement[], param: ParameterDeclaration, paramValue: Expression): CallExpression;
+    function createComma(left: Expression, right: Expression): Expression;
+    function createLessThan(left: Expression, right: Expression): Expression;
+    function createAssignment(left: ObjectLiteralExpression | ArrayLiteralExpression, right: Expression): DestructuringAssignment;
+    function createAssignment(left: Expression, right: Expression): BinaryExpression;
+    function createStrictEquality(left: Expression, right: Expression): BinaryExpression;
+    function createStrictInequality(left: Expression, right: Expression): BinaryExpression;
+    function createAdd(left: Expression, right: Expression): BinaryExpression;
+    function createSubtract(left: Expression, right: Expression): BinaryExpression;
+    function createPostfixIncrement(operand: Expression): PostfixUnaryExpression;
+    function createLogicalAnd(left: Expression, right: Expression): BinaryExpression;
+    function createLogicalOr(left: Expression, right: Expression): BinaryExpression;
+    function createNullishCoalesce(left: Expression, right: Expression): BinaryExpression;
+    function createLogicalNot(operand: Expression): PrefixUnaryExpression;
+    function createVoidZero(): VoidExpression;
+    function createExportDefault(expression: Expression): ExportAssignment;
+    function createExternalModuleExport(exportName: Identifier): ExportDeclaration;
+    /**
+     * Clears any EmitNode entries from parse-tree nodes.
+     * @param sourceFile A source file.
+     */
+    function disposeEmitNodes(sourceFile: SourceFile): void;
+    function setTextRange<T extends TextRange>(range: T, location: TextRange | undefined): T;
+    /**
+     * Sets flags that control emit behavior of a node.
+     */
+    function setEmitFlags<T extends Node>(node: T, emitFlags: EmitFlags): T;
+    /**
+     * Gets a custom text range to use when emitting source maps.
+     */
+    function getSourceMapRange(node: Node): SourceMapRange;
+    /**
+     * Sets a custom text range to use when emitting source maps.
+     */
+    function setSourceMapRange<T extends Node>(node: T, range: SourceMapRange | undefined): T;
+    /**
+     * Create an external source map source file reference
+     */
+    function createSourceMapSource(fileName: string, text: string, skipTrivia?: (pos: number) => number): SourceMapSource;
+    /**
+     * Gets the TextRange to use for source maps for a token of a node.
+     */
+    function getTokenSourceMapRange(node: Node, token: SyntaxKind): SourceMapRange | undefined;
+    /**
+     * Sets the TextRange to use for source maps for a token of a node.
+     */
+    function setTokenSourceMapRange<T extends Node>(node: T, token: SyntaxKind, range: SourceMapRange | undefined): T;
+    /**
+     * Gets a custom text range to use when emitting comments.
+     */
+    function getCommentRange(node: Node): TextRange;
+    /**
+     * Sets a custom text range to use when emitting comments.
+     */
+    function setCommentRange<T extends Node>(node: T, range: TextRange): T;
+    function getSyntheticLeadingComments(node: Node): SynthesizedComment[] | undefined;
+    function setSyntheticLeadingComments<T extends Node>(node: T, comments: SynthesizedComment[] | undefined): T;
+    function addSyntheticLeadingComment<T extends Node>(node: T, kind: SyntaxKind.SingleLineCommentTrivia | SyntaxKind.MultiLineCommentTrivia, text: string, hasTrailingNewLine?: boolean): T;
+    function getSyntheticTrailingComments(node: Node): SynthesizedComment[] | undefined;
+    function setSyntheticTrailingComments<T extends Node>(node: T, comments: SynthesizedComment[] | undefined): T;
+    function addSyntheticTrailingComment<T extends Node>(node: T, kind: SyntaxKind.SingleLineCommentTrivia | SyntaxKind.MultiLineCommentTrivia, text: string, hasTrailingNewLine?: boolean): T;
+    function moveSyntheticComments<T extends Node>(node: T, original: Node): T;
+    /**
+     * Gets the constant value to emit for an expression.
+     */
+    function getConstantValue(node: PropertyAccessExpression | ElementAccessExpression): string | number | undefined;
+    /**
+     * Sets the constant value to emit for an expression.
+     */
+    function setConstantValue(node: PropertyAccessExpression | ElementAccessExpression, value: string | number): PropertyAccessExpression | ElementAccessExpression;
+    /**
+     * Adds an EmitHelper to a node.
+     */
+    function addEmitHelper<T extends Node>(node: T, helper: EmitHelper): T;
+    /**
+     * Add EmitHelpers to a node.
+     */
+    function addEmitHelpers<T extends Node>(node: T, helpers: EmitHelper[] | undefined): T;
+    /**
+     * Removes an EmitHelper from a node.
+     */
+    function removeEmitHelper(node: Node, helper: EmitHelper): boolean;
+    /**
+     * Gets the EmitHelpers of a node.
+     */
+    function getEmitHelpers(node: Node): EmitHelper[] | undefined;
+    /**
+     * Moves matching emit helpers from a source node to a target node.
+     */
+    function moveEmitHelpers(source: Node, target: Node, predicate: (helper: EmitHelper) => boolean): void;
+    function setOriginalNode<T extends Node>(node: T, original: Node | undefined): T;
+}
+declare namespace ts {
+    /**
+     * Visits a Node using the supplied visitor, possibly returning a new Node in its place.
+     *
+     * @param node The Node to visit.
+     * @param visitor The callback used to visit the Node.
+     * @param test A callback to execute to verify the Node is valid.
+     * @param lift An optional callback to execute to lift a NodeArray into a valid Node.
+     */
+    function visitNode<T extends Node>(node: T | undefined, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: NodeArray<Node>) => T): T;
+    /**
+     * Visits a Node using the supplied visitor, possibly returning a new Node in its place.
+     *
+     * @param node The Node to visit.
+     * @param visitor The callback used to visit the Node.
+     * @param test A callback to execute to verify the Node is valid.
+     * @param lift An optional callback to execute to lift a NodeArray into a valid Node.
+     */
+    function visitNode<T extends Node>(node: T | undefined, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: NodeArray<Node>) => T): T | undefined;
+    /**
+     * Visits a NodeArray using the supplied visitor, possibly returning a new NodeArray in its place.
+     *
+     * @param nodes The NodeArray to visit.
+     * @param visitor The callback used to visit a Node.
+     * @param test A node test to execute for each node.
+     * @param start An optional value indicating the starting offset at which to start visiting.
+     * @param count An optional value indicating the maximum number of nodes to visit.
+     */
+    function visitNodes<T extends Node>(nodes: NodeArray<T> | undefined, visitor: Visitor, test?: (node: Node) => boolean, start?: number, count?: number): NodeArray<T>;
+    /**
+     * Visits a NodeArray using the supplied visitor, possibly returning a new NodeArray in its place.
+     *
+     * @param nodes The NodeArray to visit.
+     * @param visitor The callback used to visit a Node.
+     * @param test A node test to execute for each node.
+     * @param start An optional value indicating the starting offset at which to start visiting.
+     * @param count An optional value indicating the maximum number of nodes to visit.
+     */
+    function visitNodes<T extends Node>(nodes: NodeArray<T> | undefined, visitor: Visitor, test?: (node: Node) => boolean, start?: number, count?: number): NodeArray<T> | undefined;
+    /**
+     * Starts a new lexical environment and visits a statement list, ending the lexical environment
+     * and merging hoisted declarations upon completion.
+     */
+    function visitLexicalEnvironment(statements: NodeArray<Statement>, visitor: Visitor, context: TransformationContext, start?: number, ensureUseStrict?: boolean): NodeArray<Statement>;
+    /**
+     * Starts a new lexical environment and visits a parameter list, suspending the lexical
+     * environment upon completion.
+     */
+    function visitParameterList(nodes: NodeArray<ParameterDeclaration>, visitor: Visitor, context: TransformationContext, nodesVisitor?: <T extends Node>(nodes: NodeArray<T>, visitor: Visitor, test?: (node: Node) => boolean, start?: number, count?: number) => NodeArray<T>): NodeArray<ParameterDeclaration>;
+    function visitParameterList(nodes: NodeArray<ParameterDeclaration> | undefined, visitor: Visitor, context: TransformationContext, nodesVisitor?: <T extends Node>(nodes: NodeArray<T> | undefined, visitor: Visitor, test?: (node: Node) => boolean, start?: number, count?: number) => NodeArray<T> | undefined): NodeArray<ParameterDeclaration> | undefined;
+    /**
+     * Resumes a suspended lexical environment and visits a function body, ending the lexical
+     * environment and merging hoisted declarations upon completion.
+     */
+    function visitFunctionBody(node: FunctionBody, visitor: Visitor, context: TransformationContext): FunctionBody;
+    /**
+     * Resumes a suspended lexical environment and visits a function body, ending the lexical
+     * environment and merging hoisted declarations upon completion.
+     */
+    function visitFunctionBody(node: FunctionBody | undefined, visitor: Visitor, context: TransformationContext): FunctionBody | undefined;
+    /**
+     * Resumes a suspended lexical environment and visits a concise body, ending the lexical
+     * environment and merging hoisted declarations upon completion.
+     */
+    function visitFunctionBody(node: ConciseBody, visitor: Visitor, context: TransformationContext): ConciseBody;
+    /**
+     * Visits each child of a Node using the supplied visitor, possibly returning a new Node of the same kind in its place.
+     *
+     * @param node The Node whose children will be visited.
+     * @param visitor The callback used to visit each child.
+     * @param context A lexical environment context for the visitor.
+     */
+    function visitEachChild<T extends Node>(node: T, visitor: Visitor, context: TransformationContext): T;
+    /**
+     * Visits each child of a Node using the supplied visitor, possibly returning a new Node of the same kind in its place.
+     *
+     * @param node The Node whose children will be visited.
+     * @param visitor The callback used to visit each child.
+     * @param context A lexical environment context for the visitor.
+     */
+    function visitEachChild<T extends Node>(node: T | undefined, visitor: Visitor, context: TransformationContext, nodesVisitor?: typeof visitNodes, tokenVisitor?: Visitor): T | undefined;
+}
+declare namespace ts {
+    function getTsBuildInfoEmitOutputFilePath(options: CompilerOptions): string | undefined;
+    function getOutputFileNames(commandLine: ParsedCommandLine, inputFileName: string, ignoreCase: boolean): readonly string[];
+    function createPrinter(printerOptions?: PrinterOptions, handlers?: PrintHandlers): Printer;
+}
+declare namespace ts {
+    export function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string | undefined;
+    export function resolveTripleslashReference(moduleName: string, containingFile: string): string;
+    export function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost;
+    export function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
+    export interface FormatDiagnosticsHost {
+        getCurrentDirectory(): string;
+        getCanonicalFileName(fileName: string): string;
+        getNewLine(): string;
+    }
+    export function formatDiagnostics(diagnostics: readonly Diagnostic[], host: FormatDiagnosticsHost): string;
+    export function formatDiagnostic(diagnostic: Diagnostic, host: FormatDiagnosticsHost): string;
+    export function formatDiagnosticsWithColorAndContext(diagnostics: readonly Diagnostic[], host: FormatDiagnosticsHost): string;
+    export function flattenDiagnosticMessageText(diag: string | DiagnosticMessageChain | undefined, newLine: string, indent?: number): string;
+    export function getConfigFileParsingDiagnostics(configFileParseResult: ParsedCommandLine): readonly Diagnostic[];
+    /**
+     * Create a new 'Program' instance. A Program is an immutable collection of 'SourceFile's and a 'CompilerOptions'
+     * that represent a compilation unit.
+     *
+     * Creating a program proceeds from a set of root files, expanding the set of inputs by following imports and
+     * triple-slash-reference-path directives transitively. '@types' and triple-slash-reference-types are also pulled in.
+     *
+     * @param createProgramOptions - The options for creating a program.
+     * @returns A 'Program' object.
+     */
+    export function createProgram(createProgramOptions: CreateProgramOptions): Program;
+    /**
+     * Create a new 'Program' instance. A Program is an immutable collection of 'SourceFile's and a 'CompilerOptions'
+     * that represent a compilation unit.
+     *
+     * Creating a program proceeds from a set of root files, expanding the set of inputs by following imports and
+     * triple-slash-reference-path directives transitively. '@types' and triple-slash-reference-types are also pulled in.
+     *
+     * @param rootNames - A set of root files.
+     * @param options - The compiler options which should be used.
+     * @param host - The host interacts with the underlying file system.
+     * @param oldProgram - Reuses an old program structure.
+     * @param configFileParsingDiagnostics - error during config file parsing
+     * @returns A 'Program' object.
+     */
+    export function createProgram(rootNames: readonly string[], options: CompilerOptions, host?: CompilerHost, oldProgram?: Program, configFileParsingDiagnostics?: readonly Diagnostic[]): Program;
+    /** @deprecated */ export interface ResolveProjectReferencePathHost {
+        fileExists(fileName: string): boolean;
+    }
+    /**
+     * Returns the target config filename of a project reference.
+     * Note: The file might not exist.
+     */
+    export function resolveProjectReferencePath(ref: ProjectReference): ResolvedConfigFileName;
+    /** @deprecated */ export function resolveProjectReferencePath(host: ResolveProjectReferencePathHost, ref: ProjectReference): ResolvedConfigFileName;
+    export {};
+}
+declare namespace ts {
+    interface EmitOutput {
+        outputFiles: OutputFile[];
+        emitSkipped: boolean;
+    }
+    interface OutputFile {
+        name: string;
+        writeByteOrderMark: boolean;
+        text: string;
+    }
+}
+declare namespace ts {
+    type AffectedFileResult<T> = {
+        result: T;
+        affected: SourceFile | Program;
+    } | undefined;
+    interface BuilderProgramHost {
+        /**
+         * return true if file names are treated with case sensitivity
+         */
+        useCaseSensitiveFileNames(): boolean;
+        /**
+         * If provided this would be used this hash instead of actual file shape text for detecting changes
+         */
+        createHash?: (data: string) => string;
+        /**
+         * When emit or emitNextAffectedFile are called without writeFile,
+         * this callback if present would be used to write files
+         */
+        writeFile?: WriteFileCallback;
+    }
+    /**
+     * Builder to manage the program state changes
+     */
+    interface BuilderProgram {
+        /**
+         * Returns current program
+         */
+        getProgram(): Program;
+        /**
+         * Get compiler options of the program
+         */
+        getCompilerOptions(): CompilerOptions;
+        /**
+         * Get the source file in the program with file name
+         */
+        getSourceFile(fileName: string): SourceFile | undefined;
+        /**
+         * Get a list of files in the program
+         */
+        getSourceFiles(): readonly SourceFile[];
+        /**
+         * Get the diagnostics for compiler options
+         */
+        getOptionsDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
+        /**
+         * Get the diagnostics that dont belong to any file
+         */
+        getGlobalDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
+        /**
+         * Get the diagnostics from config file parsing
+         */
+        getConfigFileParsingDiagnostics(): readonly Diagnostic[];
+        /**
+         * Get the syntax diagnostics, for all source files if source file is not supplied
+         */
+        getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
+        /**
+         * Get the declaration diagnostics, for all source files if source file is not supplied
+         */
+        getDeclarationDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly DiagnosticWithLocation[];
+        /**
+         * Get all the dependencies of the file
+         */
+        getAllDependencies(sourceFile: SourceFile): readonly string[];
+        /**
+         * Gets the semantic diagnostics from the program corresponding to this state of file (if provided) or whole program
+         * The semantic diagnostics are cached and managed here
+         * Note that it is assumed that when asked about semantic diagnostics through this API,
+         * the file has been taken out of affected files so it is safe to use cache or get from program and cache the diagnostics
+         * In case of SemanticDiagnosticsBuilderProgram if the source file is not provided,
+         * it will iterate through all the affected files, to ensure that cache stays valid and yet provide a way to get all semantic diagnostics
+         */
+        getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
+        /**
+         * Emits the JavaScript and declaration files.
+         * When targetSource file is specified, emits the files corresponding to that source file,
+         * otherwise for the whole program.
+         * In case of EmitAndSemanticDiagnosticsBuilderProgram, when targetSourceFile is specified,
+         * it is assumed that that file is handled from affected file list. If targetSourceFile is not specified,
+         * it will only emit all the affected files instead of whole program
+         *
+         * The first of writeFile if provided, writeFile of BuilderProgramHost if provided, writeFile of compiler host
+         * in that order would be used to write the files
+         */
+        emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean, customTransformers?: CustomTransformers): EmitResult;
+        /**
+         * Get the current directory of the program
+         */
+        getCurrentDirectory(): string;
+    }
+    /**
+     * The builder that caches the semantic diagnostics for the program and handles the changed files and affected files
+     */
+    interface SemanticDiagnosticsBuilderProgram extends BuilderProgram {
+        /**
+         * Gets the semantic diagnostics from the program for the next affected file and caches it
+         * Returns undefined if the iteration is complete
+         */
+        getSemanticDiagnosticsOfNextAffectedFile(cancellationToken?: CancellationToken, ignoreSourceFile?: (sourceFile: SourceFile) => boolean): AffectedFileResult<readonly Diagnostic[]>;
+    }
+    /**
+     * The builder that can handle the changes in program and iterate through changed file to emit the files
+     * The semantic diagnostics are cached per file and managed by clearing for the changed/affected files
+     */
+    interface EmitAndSemanticDiagnosticsBuilderProgram extends SemanticDiagnosticsBuilderProgram {
+        /**
+         * Emits the next affected file's emit result (EmitResult and sourceFiles emitted) or returns undefined if iteration is complete
+         * The first of writeFile if provided, writeFile of BuilderProgramHost if provided, writeFile of compiler host
+         * in that order would be used to write the files
+         */
+        emitNextAffectedFile(writeFile?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean, customTransformers?: CustomTransformers): AffectedFileResult<EmitResult>;
+    }
+    /**
+     * Create the builder to manage semantic diagnostics and cache them
+     */
+    function createSemanticDiagnosticsBuilderProgram(newProgram: Program, host: BuilderProgramHost, oldProgram?: SemanticDiagnosticsBuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[]): SemanticDiagnosticsBuilderProgram;
+    function createSemanticDiagnosticsBuilderProgram(rootNames: readonly string[] | undefined, options: CompilerOptions | undefined, host?: CompilerHost, oldProgram?: SemanticDiagnosticsBuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[], projectReferences?: readonly ProjectReference[]): SemanticDiagnosticsBuilderProgram;
+    /**
+     * Create the builder that can handle the changes in program and iterate through changed files
+     * to emit the those files and manage semantic diagnostics cache as well
+     */
+    function createEmitAndSemanticDiagnosticsBuilderProgram(newProgram: Program, host: BuilderProgramHost, oldProgram?: EmitAndSemanticDiagnosticsBuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[]): EmitAndSemanticDiagnosticsBuilderProgram;
+    function createEmitAndSemanticDiagnosticsBuilderProgram(rootNames: readonly string[] | undefined, options: CompilerOptions | undefined, host?: CompilerHost, oldProgram?: EmitAndSemanticDiagnosticsBuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[], projectReferences?: readonly ProjectReference[]): EmitAndSemanticDiagnosticsBuilderProgram;
+    /**
+     * Creates a builder thats just abstraction over program and can be used with watch
+     */
+    function createAbstractBuilder(newProgram: Program, host: BuilderProgramHost, oldProgram?: BuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[]): BuilderProgram;
+    function createAbstractBuilder(rootNames: readonly string[] | undefined, options: CompilerOptions | undefined, host?: CompilerHost, oldProgram?: BuilderProgram, configFileParsingDiagnostics?: readonly Diagnostic[], projectReferences?: readonly ProjectReference[]): BuilderProgram;
+}
+declare namespace ts {
+    interface ReadBuildProgramHost {
+        useCaseSensitiveFileNames(): boolean;
+        getCurrentDirectory(): string;
+        readFile(fileName: string): string | undefined;
+    }
+    function readBuilderProgram(compilerOptions: CompilerOptions, host: ReadBuildProgramHost): EmitAndSemanticDiagnosticsBuilderProgram | undefined;
+    function createIncrementalCompilerHost(options: CompilerOptions, system?: System): CompilerHost;
+    interface IncrementalProgramOptions<T extends BuilderProgram> {
+        rootNames: readonly string[];
+        options: CompilerOptions;
+        configFileParsingDiagnostics?: readonly Diagnostic[];
+        projectReferences?: readonly ProjectReference[];
+        host?: CompilerHost;
+        createProgram?: CreateProgram<T>;
+    }
+    function createIncrementalProgram<T extends BuilderProgram = EmitAndSemanticDiagnosticsBuilderProgram>({ rootNames, options, configFileParsingDiagnostics, projectReferences, host, createProgram }: IncrementalProgramOptions<T>): T;
+    type WatchStatusReporter = (diagnostic: Diagnostic, newLine: string, options: CompilerOptions, errorCount?: number) => void;
+    /** Create the program with rootNames and options, if they are undefined, oldProgram and new configFile diagnostics create new program */
+    type CreateProgram<T extends BuilderProgram> = (rootNames: readonly string[] | undefined, options: CompilerOptions | undefined, host?: CompilerHost, oldProgram?: T, configFileParsingDiagnostics?: readonly Diagnostic[], projectReferences?: readonly ProjectReference[] | undefined) => T;
+    /** Host that has watch functionality used in --watch mode */
+    interface WatchHost {
+        /** If provided, called with Diagnostic message that informs about change in watch status */
+        onWatchStatusChange?(diagnostic: Diagnostic, newLine: string, options: CompilerOptions, errorCount?: number): void;
+        /** Used to watch changes in source files, missing files needed to update the program or config file */
+        watchFile(path: string, callback: FileWatcherCallback, pollingInterval?: number, options?: CompilerOptions): FileWatcher;
+        /** Used to watch resolved module's failed lookup locations, config file specs, type roots where auto type reference directives are added */
+        watchDirectory(path: string, callback: DirectoryWatcherCallback, recursive?: boolean, options?: CompilerOptions): FileWatcher;
+        /** If provided, will be used to set delayed compilation, so that multiple changes in short span are compiled together */
+        setTimeout?(callback: (...args: any[]) => void, ms: number, ...args: any[]): any;
+        /** If provided, will be used to reset existing delayed compilation */
+        clearTimeout?(timeoutId: any): void;
+    }
+    interface ProgramHost<T extends BuilderProgram> {
+        /**
+         * Used to create the program when need for program creation or recreation detected
+         */
+        createProgram: CreateProgram<T>;
+        useCaseSensitiveFileNames(): boolean;
+        getNewLine(): string;
+        getCurrentDirectory(): string;
+        getDefaultLibFileName(options: CompilerOptions): string;
+        getDefaultLibLocation?(): string;
+        createHash?(data: string): string;
+        /**
+         * Use to check file presence for source files and
+         * if resolveModuleNames is not provided (complier is in charge of module resolution) then module files as well
+         */
+        fileExists(path: string): boolean;
+        /**
+         * Use to read file text for source files and
+         * if resolveModuleNames is not provided (complier is in charge of module resolution) then module files as well
+         */
+        readFile(path: string, encoding?: string): string | undefined;
+        /** If provided, used for module resolution as well as to handle directory structure */
+        directoryExists?(path: string): boolean;
+        /** If provided, used in resolutions as well as handling directory structure */
+        getDirectories?(path: string): string[];
+        /** If provided, used to cache and handle directory structure modifications */
+        readDirectory?(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[];
+        /** Symbol links resolution */
+        realpath?(path: string): string;
+        /** If provided would be used to write log about compilation */
+        trace?(s: string): void;
+        /** If provided is used to get the environment variable */
+        getEnvironmentVariable?(name: string): string | undefined;
+        /** If provided, used to resolve the module names, otherwise typescript's default module resolution */
+        resolveModuleNames?(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions): (ResolvedModule | undefined)[];
+        /** If provided, used to resolve type reference directives, otherwise typescript's default resolution */
+        resolveTypeReferenceDirectives?(typeReferenceDirectiveNames: string[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions): (ResolvedTypeReferenceDirective | undefined)[];
+    }
+    interface WatchCompilerHost<T extends BuilderProgram> extends ProgramHost<T>, WatchHost {
+        /** Instead of using output d.ts file from project reference, use its source file */
+        useSourceOfProjectReferenceRedirect?(): boolean;
+        /** If provided, callback to invoke after every new program creation */
+        afterProgramCreate?(program: T): void;
+    }
+    /**
+     * Host to create watch with root files and options
+     */
+    interface WatchCompilerHostOfFilesAndCompilerOptions<T extends BuilderProgram> extends WatchCompilerHost<T> {
+        /** root files to use to generate program */
+        rootFiles: string[];
+        /** Compiler options */
+        options: CompilerOptions;
+        watchOptions?: WatchOptions;
+        /** Project References */
+        projectReferences?: readonly ProjectReference[];
+    }
+    /**
+     * Host to create watch with config file
+     */
+    interface WatchCompilerHostOfConfigFile<T extends BuilderProgram> extends WatchCompilerHost<T>, ConfigFileDiagnosticsReporter {
+        /** Name of the config file to compile */
+        configFileName: string;
+        /** Options to extend */
+        optionsToExtend?: CompilerOptions;
+        watchOptionsToExtend?: WatchOptions;
+        extraFileExtensions?: readonly FileExtensionInfo[];
+        /**
+         * Used to generate source file names from the config file and its include, exclude, files rules
+         * and also to cache the directory stucture
+         */
+        readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[];
+    }
+    interface Watch<T> {
+        /** Synchronize with host and get updated program */
+        getProgram(): T;
+        /** Closes the watch */
+        close(): void;
+    }
+    /**
+     * Creates the watch what generates program using the config file
+     */
+    interface WatchOfConfigFile<T> extends Watch<T> {
+    }
+    /**
+     * Creates the watch that generates program using the root files and compiler options
+     */
+    interface WatchOfFilesAndCompilerOptions<T> extends Watch<T> {
+        /** Updates the root files in the program, only if this is not config file compilation */
+        updateRootFileNames(fileNames: string[]): void;
+    }
+    /**
+     * Create the watch compiler host for either configFile or fileNames and its options
+     */
+    function createWatchCompilerHost<T extends BuilderProgram>(configFileName: string, optionsToExtend: CompilerOptions | undefined, system: System, createProgram?: CreateProgram<T>, reportDiagnostic?: DiagnosticReporter, reportWatchStatus?: WatchStatusReporter, watchOptionsToExtend?: WatchOptions, extraFileExtensions?: readonly FileExtensionInfo[]): WatchCompilerHostOfConfigFile<T>;
+    function createWatchCompilerHost<T extends BuilderProgram>(rootFiles: string[], options: CompilerOptions, system: System, createProgram?: CreateProgram<T>, reportDiagnostic?: DiagnosticReporter, reportWatchStatus?: WatchStatusReporter, projectReferences?: readonly ProjectReference[], watchOptions?: WatchOptions): WatchCompilerHostOfFilesAndCompilerOptions<T>;
+    /**
+     * Creates the watch from the host for root files and compiler options
+     */
+    function createWatchProgram<T extends BuilderProgram>(host: WatchCompilerHostOfFilesAndCompilerOptions<T>): WatchOfFilesAndCompilerOptions<T>;
+    /**
+     * Creates the watch from the host for config file
+     */
+    function createWatchProgram<T extends BuilderProgram>(host: WatchCompilerHostOfConfigFile<T>): WatchOfConfigFile<T>;
+}
+declare namespace ts {
+    interface BuildOptions {
+        dry?: boolean;
+        force?: boolean;
+        verbose?: boolean;
+        incremental?: boolean;
+        assumeChangesOnlyAffectDirectDependencies?: boolean;
+        traceResolution?: boolean;
+        [option: string]: CompilerOptionsValue | undefined;
+    }
+    type ReportEmitErrorSummary = (errorCount: number) => void;
+    interface SolutionBuilderHostBase<T extends BuilderProgram> extends ProgramHost<T> {
+        createDirectory?(path: string): void;
+        /**
+         * Should provide create directory and writeFile if done of invalidatedProjects is not invoked with
+         * writeFileCallback
+         */
+        writeFile?(path: string, data: string, writeByteOrderMark?: boolean): void;
+        getModifiedTime(fileName: string): Date | undefined;
+        setModifiedTime(fileName: string, date: Date): void;
+        deleteFile(fileName: string): void;
+        getParsedCommandLine?(fileName: string): ParsedCommandLine | undefined;
+        reportDiagnostic: DiagnosticReporter;
+        reportSolutionBuilderStatus: DiagnosticReporter;
+        afterProgramEmitAndDiagnostics?(program: T): void;
+    }
+    interface SolutionBuilderHost<T extends BuilderProgram> extends SolutionBuilderHostBase<T> {
+        reportErrorSummary?: ReportEmitErrorSummary;
+    }
+    interface SolutionBuilderWithWatchHost<T extends BuilderProgram> extends SolutionBuilderHostBase<T>, WatchHost {
+    }
+    interface SolutionBuilder<T extends BuilderProgram> {
+        build(project?: string, cancellationToken?: CancellationToken): ExitStatus;
+        clean(project?: string): ExitStatus;
+        buildReferences(project: string, cancellationToken?: CancellationToken): ExitStatus;
+        cleanReferences(project?: string): ExitStatus;
+        getNextInvalidatedProject(cancellationToken?: CancellationToken): InvalidatedProject<T> | undefined;
+    }
+    /**
+     * Create a function that reports watch status by writing to the system and handles the formating of the diagnostic
+     */
+    function createBuilderStatusReporter(system: System, pretty?: boolean): DiagnosticReporter;
+    function createSolutionBuilderHost<T extends BuilderProgram = EmitAndSemanticDiagnosticsBuilderProgram>(system?: System, createProgram?: CreateProgram<T>, reportDiagnostic?: DiagnosticReporter, reportSolutionBuilderStatus?: DiagnosticReporter, reportErrorSummary?: ReportEmitErrorSummary): SolutionBuilderHost<T>;
+    function createSolutionBuilderWithWatchHost<T extends BuilderProgram = EmitAndSemanticDiagnosticsBuilderProgram>(system?: System, createProgram?: CreateProgram<T>, reportDiagnostic?: DiagnosticReporter, reportSolutionBuilderStatus?: DiagnosticReporter, reportWatchStatus?: WatchStatusReporter): SolutionBuilderWithWatchHost<T>;
+    function createSolutionBuilder<T extends BuilderProgram>(host: SolutionBuilderHost<T>, rootNames: readonly string[], defaultOptions: BuildOptions): SolutionBuilder<T>;
+    function createSolutionBuilderWithWatch<T extends BuilderProgram>(host: SolutionBuilderWithWatchHost<T>, rootNames: readonly string[], defaultOptions: BuildOptions, baseWatchOptions?: WatchOptions): SolutionBuilder<T>;
+    enum InvalidatedProjectKind {
+        Build = 0,
+        UpdateBundle = 1,
+        UpdateOutputFileStamps = 2
+    }
+    interface InvalidatedProjectBase {
+        readonly kind: InvalidatedProjectKind;
+        readonly project: ResolvedConfigFileName;
+        /**
+         *  To dispose this project and ensure that all the necessary actions are taken and state is updated accordingly
+         */
+        done(cancellationToken?: CancellationToken, writeFile?: WriteFileCallback, customTransformers?: CustomTransformers): ExitStatus;
+        getCompilerOptions(): CompilerOptions;
+        getCurrentDirectory(): string;
+    }
+    interface UpdateOutputFileStampsProject extends InvalidatedProjectBase {
+        readonly kind: InvalidatedProjectKind.UpdateOutputFileStamps;
+        updateOutputFileStatmps(): void;
+    }
+    interface BuildInvalidedProject<T extends BuilderProgram> extends InvalidatedProjectBase {
+        readonly kind: InvalidatedProjectKind.Build;
+        getBuilderProgram(): T | undefined;
+        getProgram(): Program | undefined;
+        getSourceFile(fileName: string): SourceFile | undefined;
+        getSourceFiles(): readonly SourceFile[];
+        getOptionsDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
+        getGlobalDiagnostics(cancellationToken?: CancellationToken): readonly Diagnostic[];
+        getConfigFileParsingDiagnostics(): readonly Diagnostic[];
+        getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
+        getAllDependencies(sourceFile: SourceFile): readonly string[];
+        getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): readonly Diagnostic[];
+        getSemanticDiagnosticsOfNextAffectedFile(cancellationToken?: CancellationToken, ignoreSourceFile?: (sourceFile: SourceFile) => boolean): AffectedFileResult<readonly Diagnostic[]>;
+        emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean, customTransformers?: CustomTransformers): EmitResult | undefined;
+    }
+    interface UpdateBundleProject<T extends BuilderProgram> extends InvalidatedProjectBase {
+        readonly kind: InvalidatedProjectKind.UpdateBundle;
+        emit(writeFile?: WriteFileCallback, customTransformers?: CustomTransformers): EmitResult | BuildInvalidedProject<T> | undefined;
+    }
+    type InvalidatedProject<T extends BuilderProgram> = UpdateOutputFileStampsProject | BuildInvalidedProject<T> | UpdateBundleProject<T>;
+}
+declare namespace ts.server {
+    type ActionSet = "action::set";
+    type ActionInvalidate = "action::invalidate";
+    type ActionPackageInstalled = "action::packageInstalled";
+    type EventTypesRegistry = "event::typesRegistry";
+    type EventBeginInstallTypes = "event::beginInstallTypes";
+    type EventEndInstallTypes = "event::endInstallTypes";
+    type EventInitializationFailed = "event::initializationFailed";
+}
+declare namespace ts.server {
+    interface TypingInstallerResponse {
+        readonly kind: ActionSet | ActionInvalidate | EventTypesRegistry | ActionPackageInstalled | EventBeginInstallTypes | EventEndInstallTypes | EventInitializationFailed;
+    }
+    interface TypingInstallerRequestWithProjectName {
+        readonly projectName: string;
+    }
+    interface DiscoverTypings extends TypingInstallerRequestWithProjectName {
+        readonly fileNames: string[];
+        readonly projectRootPath: Path;
+        readonly compilerOptions: CompilerOptions;
+        readonly watchOptions?: WatchOptions;
+        readonly typeAcquisition: TypeAcquisition;
+        readonly unresolvedImports: SortedReadonlyArray<string>;
+        readonly cachePath?: string;
+        readonly kind: "discover";
+    }
+    interface CloseProject extends TypingInstallerRequestWithProjectName {
+        readonly kind: "closeProject";
+    }
+    interface TypesRegistryRequest {
+        readonly kind: "typesRegistry";
+    }
+    interface InstallPackageRequest extends TypingInstallerRequestWithProjectName {
+        readonly kind: "installPackage";
+        readonly fileName: Path;
+        readonly packageName: string;
+        readonly projectRootPath: Path;
+    }
+    interface PackageInstalledResponse extends ProjectResponse {
+        readonly kind: ActionPackageInstalled;
+        readonly success: boolean;
+        readonly message: string;
+    }
+    interface InitializationFailedResponse extends TypingInstallerResponse {
+        readonly kind: EventInitializationFailed;
+        readonly message: string;
+    }
+    interface ProjectResponse extends TypingInstallerResponse {
+        readonly projectName: string;
+    }
+    interface InvalidateCachedTypings extends ProjectResponse {
+        readonly kind: ActionInvalidate;
+    }
+    interface InstallTypes extends ProjectResponse {
+        readonly kind: EventBeginInstallTypes | EventEndInstallTypes;
+        readonly eventId: number;
+        readonly typingsInstallerVersion: string;
+        readonly packagesToInstall: readonly string[];
+    }
+    interface BeginInstallTypes extends InstallTypes {
+        readonly kind: EventBeginInstallTypes;
+    }
+    interface EndInstallTypes extends InstallTypes {
+        readonly kind: EventEndInstallTypes;
+        readonly installSuccess: boolean;
+    }
+    interface SetTypings extends ProjectResponse {
+        readonly typeAcquisition: TypeAcquisition;
+        readonly compilerOptions: CompilerOptions;
+        readonly typings: string[];
+        readonly unresolvedImports: SortedReadonlyArray<string>;
+        readonly kind: ActionSet;
+    }
+}
+declare namespace ts {
+    interface Node {
+        getSourceFile(): SourceFile;
+        getChildCount(sourceFile?: SourceFile): number;
+        getChildAt(index: number, sourceFile?: SourceFile): Node;
+        getChildren(sourceFile?: SourceFile): Node[];
+        getStart(sourceFile?: SourceFile, includeJsDocComment?: boolean): number;
+        getFullStart(): number;
+        getEnd(): number;
+        getWidth(sourceFile?: SourceFileLike): number;
+        getFullWidth(): number;
+        getLeadingTriviaWidth(sourceFile?: SourceFile): number;
+        getFullText(sourceFile?: SourceFile): string;
+        getText(sourceFile?: SourceFile): string;
+        getFirstToken(sourceFile?: SourceFile): Node | undefined;
+        getLastToken(sourceFile?: SourceFile): Node | undefined;
+        forEachChild<T>(cbNode: (node: Node) => T | undefined, cbNodeArray?: (nodes: NodeArray<Node>) => T | undefined): T | undefined;
+    }
+    interface Identifier {
+        readonly text: string;
+    }
+    interface PrivateIdentifier {
+        readonly text: string;
+    }
+    interface Symbol {
+        readonly name: string;
+        getFlags(): SymbolFlags;
+        getEscapedName(): __String;
+        getName(): string;
+        getDeclarations(): Declaration[] | undefined;
+        getDocumentationComment(typeChecker: TypeChecker | undefined): SymbolDisplayPart[];
+        getJsDocTags(): JSDocTagInfo[];
+    }
+    interface Type {
+        getFlags(): TypeFlags;
+        getSymbol(): Symbol | undefined;
+        getProperties(): Symbol[];
+        getProperty(propertyName: string): Symbol | undefined;
+        getApparentProperties(): Symbol[];
+        getCallSignatures(): readonly Signature[];
+        getConstructSignatures(): readonly Signature[];
+        getStringIndexType(): Type | undefined;
+        getNumberIndexType(): Type | undefined;
+        getBaseTypes(): BaseType[] | undefined;
+        getNonNullableType(): Type;
+        getConstraint(): Type | undefined;
+        getDefault(): Type | undefined;
+        isUnion(): this is UnionType;
+        isIntersection(): this is IntersectionType;
+        isUnionOrIntersection(): this is UnionOrIntersectionType;
+        isLiteral(): this is LiteralType;
+        isStringLiteral(): this is StringLiteralType;
+        isNumberLiteral(): this is NumberLiteralType;
+        isTypeParameter(): this is TypeParameter;
+        isClassOrInterface(): this is InterfaceType;
+        isClass(): this is InterfaceType;
+    }
+    interface TypeReference {
+        typeArguments?: readonly Type[];
+    }
+    interface Signature {
+        getDeclaration(): SignatureDeclaration;
+        getTypeParameters(): TypeParameter[] | undefined;
+        getParameters(): Symbol[];
+        getReturnType(): Type;
+        getDocumentationComment(typeChecker: TypeChecker | undefined): SymbolDisplayPart[];
+        getJsDocTags(): JSDocTagInfo[];
+    }
+    interface SourceFile {
+        getLineAndCharacterOfPosition(pos: number): LineAndCharacter;
+        getLineEndOfPosition(pos: number): number;
+        getLineStarts(): readonly number[];
+        getPositionOfLineAndCharacter(line: number, character: number): number;
+        update(newText: string, textChangeRange: TextChangeRange): SourceFile;
+    }
+    interface SourceFileLike {
+        getLineAndCharacterOfPosition(pos: number): LineAndCharacter;
+    }
+    interface SourceMapSource {
+        getLineAndCharacterOfPosition(pos: number): LineAndCharacter;
+    }
+    /**
+     * Represents an immutable snapshot of a script at a specified time.Once acquired, the
+     * snapshot is observably immutable. i.e. the same calls with the same parameters will return
+     * the same values.
+     */
+    interface IScriptSnapshot {
+        /** Gets a portion of the script snapshot specified by [start, end). */
+        getText(start: number, end: number): string;
+        /** Gets the length of this script snapshot. */
+        getLength(): number;
+        /**
+         * Gets the TextChangeRange that describe how the text changed between this text and
+         * an older version.  This information is used by the incremental parser to determine
+         * what sections of the script need to be re-parsed.  'undefined' can be returned if the
+         * change range cannot be determined.  However, in that case, incremental parsing will
+         * not happen and the entire document will be re - parsed.
+         */
+        getChangeRange(oldSnapshot: IScriptSnapshot): TextChangeRange | undefined;
+        /** Releases all resources held by this script snapshot */
+        dispose?(): void;
+    }
+    namespace ScriptSnapshot {
+        function fromString(text: string): IScriptSnapshot;
+    }
+    interface PreProcessedFileInfo {
+        referencedFiles: FileReference[];
+        typeReferenceDirectives: FileReference[];
+        libReferenceDirectives: FileReference[];
+        importedFiles: FileReference[];
+        ambientExternalModules?: string[];
+        isLibFile: boolean;
+    }
+    interface HostCancellationToken {
+        isCancellationRequested(): boolean;
+    }
+    interface InstallPackageOptions {
+        fileName: Path;
+        packageName: string;
+    }
+    interface LanguageServiceHost extends GetEffectiveTypeRootsHost {
+        getCompilationSettings(): CompilerOptions;
+        getNewLine?(): string;
+        getProjectVersion?(): string;
+        getScriptFileNames(): string[];
+        getScriptKind?(fileName: string): ScriptKind;
+        getScriptVersion(fileName: string): string;
+        getScriptSnapshot(fileName: string): IScriptSnapshot | undefined;
+        getProjectReferences?(): readonly ProjectReference[] | undefined;
+        getLocalizedDiagnosticMessages?(): any;
+        getCancellationToken?(): HostCancellationToken;
+        getCurrentDirectory(): string;
+        getDefaultLibFileName(options: CompilerOptions): string;
+        log?(s: string): void;
+        trace?(s: string): void;
+        error?(s: string): void;
+        useCaseSensitiveFileNames?(): boolean;
+        readDirectory?(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[];
+        readFile?(path: string, encoding?: string): string | undefined;
+        realpath?(path: string): string;
+        fileExists?(path: string): boolean;
+        getTypeRootsVersion?(): number;
+        resolveModuleNames?(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions): (ResolvedModule | undefined)[];
+        getResolvedModuleWithFailedLookupLocationsFromCache?(modulename: string, containingFile: string): ResolvedModuleWithFailedLookupLocations | undefined;
+        resolveTypeReferenceDirectives?(typeDirectiveNames: string[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, options: CompilerOptions): (ResolvedTypeReferenceDirective | undefined)[];
+        getDirectories?(directoryName: string): string[];
+        /**
+         * Gets a set of custom transformers to use during emit.
+         */
+        getCustomTransformers?(): CustomTransformers | undefined;
+        isKnownTypesPackageName?(name: string): boolean;
+        installPackage?(options: InstallPackageOptions): Promise<ApplyCodeActionCommandResult>;
+        writeFile?(fileName: string, content: string): void;
+    }
+    type WithMetadata<T> = T & {
+        metadata?: unknown;
+    };
+    interface LanguageService {
+        /** This is used as a part of restarting the language service. */
+        cleanupSemanticCache(): void;
+        /**
+         * Gets errors indicating invalid syntax in a file.
+         *
+         * In English, "this cdeo have, erorrs" is syntactically invalid because it has typos,
+         * grammatical errors, and misplaced punctuation. Likewise, examples of syntax
+         * errors in TypeScript are missing parentheses in an `if` statement, mismatched
+         * curly braces, and using a reserved keyword as a variable name.
+         *
+         * These diagnostics are inexpensive to compute and don't require knowledge of
+         * other files. Note that a non-empty result increases the likelihood of false positives
+         * from `getSemanticDiagnostics`.
+         *
+         * While these represent the majority of syntax-related diagnostics, there are some
+         * that require the type system, which will be present in `getSemanticDiagnostics`.
+         *
+         * @param fileName A path to the file you want syntactic diagnostics for
+         */
+        getSyntacticDiagnostics(fileName: string): DiagnosticWithLocation[];
+        /**
+         * Gets warnings or errors indicating type system issues in a given file.
+         * Requesting semantic diagnostics may start up the type system and
+         * run deferred work, so the first call may take longer than subsequent calls.
+         *
+         * Unlike the other get*Diagnostics functions, these diagnostics can potentially not
+         * include a reference to a source file. Specifically, the first time this is called,
+         * it will return global diagnostics with no associated location.
+         *
+         * To contrast the differences between semantic and syntactic diagnostics, consider the
+         * sentence: "The sun is green." is syntactically correct; those are real English words with
+         * correct sentence structure. However, it is semantically invalid, because it is not true.
+         *
+         * @param fileName A path to the file you want semantic diagnostics for
+         */
+        getSemanticDiagnostics(fileName: string): Diagnostic[];
+        /**
+         * Gets suggestion diagnostics for a specific file. These diagnostics tend to
+         * proactively suggest refactors, as opposed to diagnostics that indicate
+         * potentially incorrect runtime behavior.
+         *
+         * @param fileName A path to the file you want semantic diagnostics for
+         */
+        getSuggestionDiagnostics(fileName: string): DiagnosticWithLocation[];
+        /**
+         * Gets global diagnostics related to the program configuration and compiler options.
+         */
+        getCompilerOptionsDiagnostics(): Diagnostic[];
+        /** @deprecated Use getEncodedSyntacticClassifications instead. */
+        getSyntacticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[];
+        /** @deprecated Use getEncodedSemanticClassifications instead. */
+        getSemanticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[];
+        getEncodedSyntacticClassifications(fileName: string, span: TextSpan): Classifications;
+        getEncodedSemanticClassifications(fileName: string, span: TextSpan): Classifications;
+        /**
+         * Gets completion entries at a particular position in a file.
+         *
+         * @param fileName The path to the file
+         * @param position A zero-based index of the character where you want the entries
+         * @param options An object describing how the request was triggered and what kinds
+         * of code actions can be returned with the completions.
+         */
+        getCompletionsAtPosition(fileName: string, position: number, options: GetCompletionsAtPositionOptions | undefined): WithMetadata<CompletionInfo> | undefined;
+        /**
+         * Gets the extended details for a completion entry retrieved from `getCompletionsAtPosition`.
+         *
+         * @param fileName The path to the file
+         * @param position A zero based index of the character where you want the entries
+         * @param entryName The name from an existing completion which came from `getCompletionsAtPosition`
+         * @param formatOptions How should code samples in the completions be formatted, can be undefined for backwards compatibility
+         * @param source Source code for the current file, can be undefined for backwards compatibility
+         * @param preferences User settings, can be undefined for backwards compatibility
+         */
+        getCompletionEntryDetails(fileName: string, position: number, entryName: string, formatOptions: FormatCodeOptions | FormatCodeSettings | undefined, source: string | undefined, preferences: UserPreferences | undefined): CompletionEntryDetails | undefined;
+        getCompletionEntrySymbol(fileName: string, position: number, name: string, source: string | undefined): Symbol | undefined;
+        /**
+         * Gets semantic information about the identifier at a particular position in a
+         * file. Quick info is what you typically see when you hover in an editor.
+         *
+         * @param fileName The path to the file
+         * @param position A zero-based index of the character where you want the quick info
+         */
+        getQuickInfoAtPosition(fileName: string, position: number): QuickInfo | undefined;
+        getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): TextSpan | undefined;
+        getBreakpointStatementAtPosition(fileName: string, position: number): TextSpan | undefined;
+        getSignatureHelpItems(fileName: string, position: number, options: SignatureHelpItemsOptions | undefined): SignatureHelpItems | undefined;
+        getRenameInfo(fileName: string, position: number, options?: RenameInfoOptions): RenameInfo;
+        findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean, providePrefixAndSuffixTextForRename?: boolean): readonly RenameLocation[] | undefined;
+        getSmartSelectionRange(fileName: string, position: number): SelectionRange;
+        getDefinitionAtPosition(fileName: string, position: number): readonly DefinitionInfo[] | undefined;
+        getDefinitionAndBoundSpan(fileName: string, position: number): DefinitionInfoAndBoundSpan | undefined;
+        getTypeDefinitionAtPosition(fileName: string, position: number): readonly DefinitionInfo[] | undefined;
+        getImplementationAtPosition(fileName: string, position: number): readonly ImplementationLocation[] | undefined;
+        getReferencesAtPosition(fileName: string, position: number): ReferenceEntry[] | undefined;
+        findReferences(fileName: string, position: number): ReferencedSymbol[] | undefined;
+        getDocumentHighlights(fileName: string, position: number, filesToSearch: string[]): DocumentHighlights[] | undefined;
+        /** @deprecated */
+        getOccurrencesAtPosition(fileName: string, position: number): readonly ReferenceEntry[] | undefined;
+        getNavigateToItems(searchValue: string, maxResultCount?: number, fileName?: string, excludeDtsFiles?: boolean): NavigateToItem[];
+        getNavigationBarItems(fileName: string): NavigationBarItem[];
+        getNavigationTree(fileName: string): NavigationTree;
+        prepareCallHierarchy(fileName: string, position: number): CallHierarchyItem | CallHierarchyItem[] | undefined;
+        provideCallHierarchyIncomingCalls(fileName: string, position: number): CallHierarchyIncomingCall[];
+        provideCallHierarchyOutgoingCalls(fileName: string, position: number): CallHierarchyOutgoingCall[];
+        getOutliningSpans(fileName: string): OutliningSpan[];
+        getTodoComments(fileName: string, descriptors: TodoCommentDescriptor[]): TodoComment[];
+        getBraceMatchingAtPosition(fileName: string, position: number): TextSpan[];
+        getIndentationAtPosition(fileName: string, position: number, options: EditorOptions | EditorSettings): number;
+        getFormattingEditsForRange(fileName: string, start: number, end: number, options: FormatCodeOptions | FormatCodeSettings): TextChange[];
+        getFormattingEditsForDocument(fileName: string, options: FormatCodeOptions | FormatCodeSettings): TextChange[];
+        getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: FormatCodeOptions | FormatCodeSettings): TextChange[];
+        getDocCommentTemplateAtPosition(fileName: string, position: number): TextInsertion | undefined;
+        isValidBraceCompletionAtPosition(fileName: string, position: number, openingBrace: number): boolean;
+        /**
+         * This will return a defined result if the position is after the `>` of the opening tag, or somewhere in the text, of a JSXElement with no closing tag.
+         * Editors should call this after `>` is typed.
+         */
+        getJsxClosingTagAtPosition(fileName: string, position: number): JsxClosingTagInfo | undefined;
+        getSpanOfEnclosingComment(fileName: string, position: number, onlyMultiLine: boolean): TextSpan | undefined;
+        toLineColumnOffset?(fileName: string, position: number): LineAndCharacter;
+        getCodeFixesAtPosition(fileName: string, start: number, end: number, errorCodes: readonly number[], formatOptions: FormatCodeSettings, preferences: UserPreferences): readonly CodeFixAction[];
+        getCombinedCodeFix(scope: CombinedCodeFixScope, fixId: {}, formatOptions: FormatCodeSettings, preferences: UserPreferences): CombinedCodeActions;
+        applyCodeActionCommand(action: CodeActionCommand, formatSettings?: FormatCodeSettings): Promise<ApplyCodeActionCommandResult>;
+        applyCodeActionCommand(action: CodeActionCommand[], formatSettings?: FormatCodeSettings): Promise<ApplyCodeActionCommandResult[]>;
+        applyCodeActionCommand(action: CodeActionCommand | CodeActionCommand[], formatSettings?: FormatCodeSettings): Promise<ApplyCodeActionCommandResult | ApplyCodeActionCommandResult[]>;
+        /** @deprecated `fileName` will be ignored */
+        applyCodeActionCommand(fileName: string, action: CodeActionCommand): Promise<ApplyCodeActionCommandResult>;
+        /** @deprecated `fileName` will be ignored */
+        applyCodeActionCommand(fileName: string, action: CodeActionCommand[]): Promise<ApplyCodeActionCommandResult[]>;
+        /** @deprecated `fileName` will be ignored */
+        applyCodeActionCommand(fileName: string, action: CodeActionCommand | CodeActionCommand[]): Promise<ApplyCodeActionCommandResult | ApplyCodeActionCommandResult[]>;
+        getApplicableRefactors(fileName: string, positionOrRange: number | TextRange, preferences: UserPreferences | undefined): ApplicableRefactorInfo[];
+        getEditsForRefactor(fileName: string, formatOptions: FormatCodeSettings, positionOrRange: number | TextRange, refactorName: string, actionName: string, preferences: UserPreferences | undefined): RefactorEditInfo | undefined;
+        organizeImports(scope: OrganizeImportsScope, formatOptions: FormatCodeSettings, preferences: UserPreferences | undefined): readonly FileTextChanges[];
+        getEditsForFileRename(oldFilePath: string, newFilePath: string, formatOptions: FormatCodeSettings, preferences: UserPreferences | undefined): readonly FileTextChanges[];
+        getEmitOutput(fileName: string, emitOnlyDtsFiles?: boolean, forceDtsEmit?: boolean): EmitOutput;
+        getProgram(): Program | undefined;
+        dispose(): void;
+    }
+    interface JsxClosingTagInfo {
+        readonly newText: string;
+    }
+    interface CombinedCodeFixScope {
+        type: "file";
+        fileName: string;
+    }
+    type OrganizeImportsScope = CombinedCodeFixScope;
+    type CompletionsTriggerCharacter = "." | '"' | "'" | "`" | "/" | "@" | "<" | "#";
+    interface GetCompletionsAtPositionOptions extends UserPreferences {
+        /**
+         * If the editor is asking for completions because a certain character was typed
+         * (as opposed to when the user explicitly requested them) this should be set.
+         */
+        triggerCharacter?: CompletionsTriggerCharacter;
+        /** @deprecated Use includeCompletionsForModuleExports */
+        includeExternalModuleExports?: boolean;
+        /** @deprecated Use includeCompletionsWithInsertText */
+        includeInsertTextCompletions?: boolean;
+    }
+    type SignatureHelpTriggerCharacter = "," | "(" | "<";
+    type SignatureHelpRetriggerCharacter = SignatureHelpTriggerCharacter | ")";
+    interface SignatureHelpItemsOptions {
+        triggerReason?: SignatureHelpTriggerReason;
+    }
+    type SignatureHelpTriggerReason = SignatureHelpInvokedReason | SignatureHelpCharacterTypedReason | SignatureHelpRetriggeredReason;
+    /**
+     * Signals that the user manually requested signature help.
+     * The language service will unconditionally attempt to provide a result.
+     */
+    interface SignatureHelpInvokedReason {
+        kind: "invoked";
+        triggerCharacter?: undefined;
+    }
+    /**
+     * Signals that the signature help request came from a user typing a character.
+     * Depending on the character and the syntactic context, the request may or may not be served a result.
+     */
+    interface SignatureHelpCharacterTypedReason {
+        kind: "characterTyped";
+        /**
+         * Character that was responsible for triggering signature help.
+         */
+        triggerCharacter: SignatureHelpTriggerCharacter;
+    }
+    /**
+     * Signals that this signature help request came from typing a character or moving the cursor.
+     * This should only occur if a signature help session was already active and the editor needs to see if it should adjust.
+     * The language service will unconditionally attempt to provide a result.
+     * `triggerCharacter` can be `undefined` for a retrigger caused by a cursor move.
+     */
+    interface SignatureHelpRetriggeredReason {
+        kind: "retrigger";
+        /**
+         * Character that was responsible for triggering signature help.
+         */
+        triggerCharacter?: SignatureHelpRetriggerCharacter;
+    }
+    interface ApplyCodeActionCommandResult {
+        successMessage: string;
+    }
+    interface Classifications {
+        spans: number[];
+        endOfLineState: EndOfLineState;
+    }
+    interface ClassifiedSpan {
+        textSpan: TextSpan;
+        classificationType: ClassificationTypeNames;
+    }
+    /**
+     * Navigation bar interface designed for visual studio's dual-column layout.
+     * This does not form a proper tree.
+     * The navbar is returned as a list of top-level items, each of which has a list of child items.
+     * Child items always have an empty array for their `childItems`.
+     */
+    interface NavigationBarItem {
+        text: string;
+        kind: ScriptElementKind;
+        kindModifiers: string;
+        spans: TextSpan[];
+        childItems: NavigationBarItem[];
+        indent: number;
+        bolded: boolean;
+        grayed: boolean;
+    }
+    /**
+     * Node in a tree of nested declarations in a file.
+     * The top node is always a script or module node.
+     */
+    interface NavigationTree {
+        /** Name of the declaration, or a short description, e.g. "<class>". */
+        text: string;
+        kind: ScriptElementKind;
+        /** ScriptElementKindModifier separated by commas, e.g. "public,abstract" */
+        kindModifiers: string;
+        /**
+         * Spans of the nodes that generated this declaration.
+         * There will be more than one if this is the result of merging.
+         */
+        spans: TextSpan[];
+        nameSpan: TextSpan | undefined;
+        /** Present if non-empty */
+        childItems?: NavigationTree[];
+    }
+    interface CallHierarchyItem {
+        name: string;
+        kind: ScriptElementKind;
+        file: string;
+        span: TextSpan;
+        selectionSpan: TextSpan;
+    }
+    interface CallHierarchyIncomingCall {
+        from: CallHierarchyItem;
+        fromSpans: TextSpan[];
+    }
+    interface CallHierarchyOutgoingCall {
+        to: CallHierarchyItem;
+        fromSpans: TextSpan[];
+    }
+    interface TodoCommentDescriptor {
+        text: string;
+        priority: number;
+    }
+    interface TodoComment {
+        descriptor: TodoCommentDescriptor;
+        message: string;
+        position: number;
+    }
+    interface TextChange {
+        span: TextSpan;
+        newText: string;
+    }
+    interface FileTextChanges {
+        fileName: string;
+        textChanges: readonly TextChange[];
+        isNewFile?: boolean;
+    }
+    interface CodeAction {
+        /** Description of the code action to display in the UI of the editor */
+        description: string;
+        /** Text changes to apply to each file as part of the code action */
+        changes: FileTextChanges[];
+        /**
+         * If the user accepts the code fix, the editor should send the action back in a `applyAction` request.
+         * This allows the language service to have side effects (e.g. installing dependencies) upon a code fix.
+         */
+        commands?: CodeActionCommand[];
+    }
+    interface CodeFixAction extends CodeAction {
+        /** Short name to identify the fix, for use by telemetry. */
+        fixName: string;
+        /**
+         * If present, one may call 'getCombinedCodeFix' with this fixId.
+         * This may be omitted to indicate that the code fix can't be applied in a group.
+         */
+        fixId?: {};
+        fixAllDescription?: string;
+    }
+    interface CombinedCodeActions {
+        changes: readonly FileTextChanges[];
+        commands?: readonly CodeActionCommand[];
+    }
+    type CodeActionCommand = InstallPackageAction;
+    interface InstallPackageAction {
+    }
+    /**
+     * A set of one or more available refactoring actions, grouped under a parent refactoring.
+     */
+    interface ApplicableRefactorInfo {
+        /**
+         * The programmatic name of the refactoring
+         */
+        name: string;
+        /**
+         * A description of this refactoring category to show to the user.
+         * If the refactoring gets inlined (see below), this text will not be visible.
+         */
+        description: string;
+        /**
+         * Inlineable refactorings can have their actions hoisted out to the top level
+         * of a context menu. Non-inlineanable refactorings should always be shown inside
+         * their parent grouping.
+         *
+         * If not specified, this value is assumed to be 'true'
+         */
+        inlineable?: boolean;
+        actions: RefactorActionInfo[];
+    }
+    /**
+     * Represents a single refactoring action - for example, the "Extract Method..." refactor might
+     * offer several actions, each corresponding to a surround class or closure to extract into.
+     */
+    interface RefactorActionInfo {
+        /**
+         * The programmatic name of the refactoring action
+         */
+        name: string;
+        /**
+         * A description of this refactoring action to show to the user.
+         * If the parent refactoring is inlined away, this will be the only text shown,
+         * so this description should make sense by itself if the parent is inlineable=true
+         */
+        description: string;
+    }
+    /**
+     * A set of edits to make in response to a refactor action, plus an optional
+     * location where renaming should be invoked from
+     */
+    interface RefactorEditInfo {
+        edits: FileTextChanges[];
+        renameFilename?: string;
+        renameLocation?: number;
+        commands?: CodeActionCommand[];
+    }
+    interface TextInsertion {
+        newText: string;
+        /** The position in newText the caret should point to after the insertion. */
+        caretOffset: number;
+    }
+    interface DocumentSpan {
+        textSpan: TextSpan;
+        fileName: string;
+        /**
+         * If the span represents a location that was remapped (e.g. via a .d.ts.map file),
+         * then the original filename and span will be specified here
+         */
+        originalTextSpan?: TextSpan;
+        originalFileName?: string;
+        /**
+         * If DocumentSpan.textSpan is the span for name of the declaration,
+         * then this is the span for relevant declaration
+         */
+        contextSpan?: TextSpan;
+        originalContextSpan?: TextSpan;
+    }
+    interface RenameLocation extends DocumentSpan {
+        readonly prefixText?: string;
+        readonly suffixText?: string;
+    }
+    interface ReferenceEntry extends DocumentSpan {
+        isWriteAccess: boolean;
+        isDefinition: boolean;
+        isInString?: true;
+    }
+    interface ImplementationLocation extends DocumentSpan {
+        kind: ScriptElementKind;
+        displayParts: SymbolDisplayPart[];
+    }
+    enum HighlightSpanKind {
+        none = "none",
+        definition = "definition",
+        reference = "reference",
+        writtenReference = "writtenReference"
+    }
+    interface HighlightSpan {
+        fileName?: string;
+        isInString?: true;
+        textSpan: TextSpan;
+        contextSpan?: TextSpan;
+        kind: HighlightSpanKind;
+    }
+    interface NavigateToItem {
+        name: string;
+        kind: ScriptElementKind;
+        kindModifiers: string;
+        matchKind: "exact" | "prefix" | "substring" | "camelCase";
+        isCaseSensitive: boolean;
+        fileName: string;
+        textSpan: TextSpan;
+        containerName: string;
+        containerKind: ScriptElementKind;
+    }
+    enum IndentStyle {
+        None = 0,
+        Block = 1,
+        Smart = 2
+    }
+    enum SemicolonPreference {
+        Ignore = "ignore",
+        Insert = "insert",
+        Remove = "remove"
+    }
+    interface EditorOptions {
+        BaseIndentSize?: number;
+        IndentSize: number;
+        TabSize: number;
+        NewLineCharacter: string;
+        ConvertTabsToSpaces: boolean;
+        IndentStyle: IndentStyle;
+    }
+    interface EditorSettings {
+        baseIndentSize?: number;
+        indentSize?: number;
+        tabSize?: number;
+        newLineCharacter?: string;
+        convertTabsToSpaces?: boolean;
+        indentStyle?: IndentStyle;
+        trimTrailingWhitespace?: boolean;
+    }
+    interface FormatCodeOptions extends EditorOptions {
+        InsertSpaceAfterCommaDelimiter: boolean;
+        InsertSpaceAfterSemicolonInForStatements: boolean;
+        InsertSpaceBeforeAndAfterBinaryOperators: boolean;
+        InsertSpaceAfterConstructor?: boolean;
+        InsertSpaceAfterKeywordsInControlFlowStatements: boolean;
+        InsertSpaceAfterFunctionKeywordForAnonymousFunctions: boolean;
+        InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: boolean;
+        InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: boolean;
+        InsertSpaceAfterOpeningAndBeforeClosingNonemptyBraces?: boolean;
+        InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: boolean;
+        InsertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean;
+        InsertSpaceAfterTypeAssertion?: boolean;
+        InsertSpaceBeforeFunctionParenthesis?: boolean;
+        PlaceOpenBraceOnNewLineForFunctions: boolean;
+        PlaceOpenBraceOnNewLineForControlBlocks: boolean;
+        insertSpaceBeforeTypeAnnotation?: boolean;
+    }
+    interface FormatCodeSettings extends EditorSettings {
+        readonly insertSpaceAfterCommaDelimiter?: boolean;
+        readonly insertSpaceAfterSemicolonInForStatements?: boolean;
+        readonly insertSpaceBeforeAndAfterBinaryOperators?: boolean;
+        readonly insertSpaceAfterConstructor?: boolean;
+        readonly insertSpaceAfterKeywordsInControlFlowStatements?: boolean;
+        readonly insertSpaceAfterFunctionKeywordForAnonymousFunctions?: boolean;
+        readonly insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis?: boolean;
+        readonly insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets?: boolean;
+        readonly insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces?: boolean;
+        readonly insertSpaceAfterOpeningAndBeforeClosingEmptyBraces?: boolean;
+        readonly insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces?: boolean;
+        readonly insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean;
+        readonly insertSpaceAfterTypeAssertion?: boolean;
+        readonly insertSpaceBeforeFunctionParenthesis?: boolean;
+        readonly placeOpenBraceOnNewLineForFunctions?: boolean;
+        readonly placeOpenBraceOnNewLineForControlBlocks?: boolean;
+        readonly insertSpaceBeforeTypeAnnotation?: boolean;
+        readonly indentMultiLineObjectLiteralBeginningOnBlankLine?: boolean;
+        readonly semicolons?: SemicolonPreference;
+    }
+    function getDefaultFormatCodeSettings(newLineCharacter?: string): FormatCodeSettings;
+    interface DefinitionInfo extends DocumentSpan {
+        kind: ScriptElementKind;
+        name: string;
+        containerKind: ScriptElementKind;
+        containerName: string;
+    }
+    interface DefinitionInfoAndBoundSpan {
+        definitions?: readonly DefinitionInfo[];
+        textSpan: TextSpan;
+    }
+    interface ReferencedSymbolDefinitionInfo extends DefinitionInfo {
+        displayParts: SymbolDisplayPart[];
+    }
+    interface ReferencedSymbol {
+        definition: ReferencedSymbolDefinitionInfo;
+        references: ReferenceEntry[];
+    }
+    enum SymbolDisplayPartKind {
+        aliasName = 0,
+        className = 1,
+        enumName = 2,
+        fieldName = 3,
+        interfaceName = 4,
+        keyword = 5,
+        lineBreak = 6,
+        numericLiteral = 7,
+        stringLiteral = 8,
+        localName = 9,
+        methodName = 10,
+        moduleName = 11,
+        operator = 12,
+        parameterName = 13,
+        propertyName = 14,
+        punctuation = 15,
+        space = 16,
+        text = 17,
+        typeParameterName = 18,
+        enumMemberName = 19,
+        functionName = 20,
+        regularExpressionLiteral = 21
+    }
+    interface SymbolDisplayPart {
+        text: string;
+        kind: string;
+    }
+    interface JSDocTagInfo {
+        name: string;
+        text?: string;
+    }
+    interface QuickInfo {
+        kind: ScriptElementKind;
+        kindModifiers: string;
+        textSpan: TextSpan;
+        displayParts?: SymbolDisplayPart[];
+        documentation?: SymbolDisplayPart[];
+        tags?: JSDocTagInfo[];
+    }
+    type RenameInfo = RenameInfoSuccess | RenameInfoFailure;
+    interface RenameInfoSuccess {
+        canRename: true;
+        /**
+         * File or directory to rename.
+         * If set, `getEditsForFileRename` should be called instead of `findRenameLocations`.
+         */
+        fileToRename?: string;
+        displayName: string;
+        fullDisplayName: string;
+        kind: ScriptElementKind;
+        kindModifiers: string;
+        triggerSpan: TextSpan;
+    }
+    interface RenameInfoFailure {
+        canRename: false;
+        localizedErrorMessage: string;
+    }
+    interface RenameInfoOptions {
+        readonly allowRenameOfImportPath?: boolean;
+    }
+    interface SignatureHelpParameter {
+        name: string;
+        documentation: SymbolDisplayPart[];
+        displayParts: SymbolDisplayPart[];
+        isOptional: boolean;
+    }
+    interface SelectionRange {
+        textSpan: TextSpan;
+        parent?: SelectionRange;
+    }
+    /**
+     * Represents a single signature to show in signature help.
+     * The id is used for subsequent calls into the language service to ask questions about the
+     * signature help item in the context of any documents that have been updated.  i.e. after
+     * an edit has happened, while signature help is still active, the host can ask important
+     * questions like 'what parameter is the user currently contained within?'.
+     */
+    interface SignatureHelpItem {
+        isVariadic: boolean;
+        prefixDisplayParts: SymbolDisplayPart[];
+        suffixDisplayParts: SymbolDisplayPart[];
+        separatorDisplayParts: SymbolDisplayPart[];
+        parameters: SignatureHelpParameter[];
+        documentation: SymbolDisplayPart[];
+        tags: JSDocTagInfo[];
+    }
+    /**
+     * Represents a set of signature help items, and the preferred item that should be selected.
+     */
+    interface SignatureHelpItems {
+        items: SignatureHelpItem[];
+        applicableSpan: TextSpan;
+        selectedItemIndex: number;
+        argumentIndex: number;
+        argumentCount: number;
+    }
+    interface CompletionInfo {
+        /** Not true for all global completions. This will be true if the enclosing scope matches a few syntax kinds. See `isSnippetScope`. */
+        isGlobalCompletion: boolean;
+        isMemberCompletion: boolean;
+        /**
+         * true when the current location also allows for a new identifier
+         */
+        isNewIdentifierLocation: boolean;
+        entries: CompletionEntry[];
+    }
+    interface CompletionEntry {
+        name: string;
+        kind: ScriptElementKind;
+        kindModifiers?: string;
+        sortText: string;
+        insertText?: string;
+        /**
+         * An optional span that indicates the text to be replaced by this completion item.
+         * If present, this span should be used instead of the default one.
+         * It will be set if the required span differs from the one generated by the default replacement behavior.
+         */
+        replacementSpan?: TextSpan;
+        hasAction?: true;
+        source?: string;
+        isRecommended?: true;
+        isFromUncheckedFile?: true;
+    }
+    interface CompletionEntryDetails {
+        name: string;
+        kind: ScriptElementKind;
+        kindModifiers: string;
+        displayParts: SymbolDisplayPart[];
+        documentation?: SymbolDisplayPart[];
+        tags?: JSDocTagInfo[];
+        codeActions?: CodeAction[];
+        source?: SymbolDisplayPart[];
+    }
+    interface OutliningSpan {
+        /** The span of the document to actually collapse. */
+        textSpan: TextSpan;
+        /** The span of the document to display when the user hovers over the collapsed span. */
+        hintSpan: TextSpan;
+        /** The text to display in the editor for the collapsed region. */
+        bannerText: string;
+        /**
+         * Whether or not this region should be automatically collapsed when
+         * the 'Collapse to Definitions' command is invoked.
+         */
+        autoCollapse: boolean;
+        /**
+         * Classification of the contents of the span
+         */
+        kind: OutliningSpanKind;
+    }
+    enum OutliningSpanKind {
+        /** Single or multi-line comments */
+        Comment = "comment",
+        /** Sections marked by '// #region' and '// #endregion' comments */
+        Region = "region",
+        /** Declarations and expressions */
+        Code = "code",
+        /** Contiguous blocks of import declarations */
+        Imports = "imports"
+    }
+    enum OutputFileType {
+        JavaScript = 0,
+        SourceMap = 1,
+        Declaration = 2
+    }
+    enum EndOfLineState {
+        None = 0,
+        InMultiLineCommentTrivia = 1,
+        InSingleQuoteStringLiteral = 2,
+        InDoubleQuoteStringLiteral = 3,
+        InTemplateHeadOrNoSubstitutionTemplate = 4,
+        InTemplateMiddleOrTail = 5,
+        InTemplateSubstitutionPosition = 6
+    }
+    enum TokenClass {
+        Punctuation = 0,
+        Keyword = 1,
+        Operator = 2,
+        Comment = 3,
+        Whitespace = 4,
+        Identifier = 5,
+        NumberLiteral = 6,
+        BigIntLiteral = 7,
+        StringLiteral = 8,
+        RegExpLiteral = 9
+    }
+    interface ClassificationResult {
+        finalLexState: EndOfLineState;
+        entries: ClassificationInfo[];
+    }
+    interface ClassificationInfo {
+        length: number;
+        classification: TokenClass;
+    }
+    interface Classifier {
+        /**
+         * Gives lexical classifications of tokens on a line without any syntactic context.
+         * For instance, a token consisting of the text 'string' can be either an identifier
+         * named 'string' or the keyword 'string', however, because this classifier is not aware,
+         * it relies on certain heuristics to give acceptable results. For classifications where
+         * speed trumps accuracy, this function is preferable; however, for true accuracy, the
+         * syntactic classifier is ideal. In fact, in certain editing scenarios, combining the
+         * lexical, syntactic, and semantic classifiers may issue the best user experience.
+         *
+         * @param text                      The text of a line to classify.
+         * @param lexState                  The state of the lexical classifier at the end of the previous line.
+         * @param syntacticClassifierAbsent Whether the client is *not* using a syntactic classifier.
+         *                                  If there is no syntactic classifier (syntacticClassifierAbsent=true),
+         *                                  certain heuristics may be used in its place; however, if there is a
+         *                                  syntactic classifier (syntacticClassifierAbsent=false), certain
+         *                                  classifications which may be incorrectly categorized will be given
+         *                                  back as Identifiers in order to allow the syntactic classifier to
+         *                                  subsume the classification.
+         * @deprecated Use getLexicalClassifications instead.
+         */
+        getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent: boolean): ClassificationResult;
+        getEncodedLexicalClassifications(text: string, endOfLineState: EndOfLineState, syntacticClassifierAbsent: boolean): Classifications;
+    }
+    enum ScriptElementKind {
+        unknown = "",
+        warning = "warning",
+        /** predefined type (void) or keyword (class) */
+        keyword = "keyword",
+        /** top level script node */
+        scriptElement = "script",
+        /** module foo {} */
+        moduleElement = "module",
+        /** class X {} */
+        classElement = "class",
+        /** var x = class X {} */
+        localClassElement = "local class",
+        /** interface Y {} */
+        interfaceElement = "interface",
+        /** type T = ... */
+        typeElement = "type",
+        /** enum E */
+        enumElement = "enum",
+        enumMemberElement = "enum member",
+        /**
+         * Inside module and script only
+         * const v = ..
+         */
+        variableElement = "var",
+        /** Inside function */
+        localVariableElement = "local var",
+        /**
+         * Inside module and script only
+         * function f() { }
+         */
+        functionElement = "function",
+        /** Inside function */
+        localFunctionElement = "local function",
+        /** class X { [public|private]* foo() {} } */
+        memberFunctionElement = "method",
+        /** class X { [public|private]* [get|set] foo:number; } */
+        memberGetAccessorElement = "getter",
+        memberSetAccessorElement = "setter",
+        /**
+         * class X { [public|private]* foo:number; }
+         * interface Y { foo:number; }
+         */
+        memberVariableElement = "property",
+        /** class X { constructor() { } } */
+        constructorImplementationElement = "constructor",
+        /** interface Y { ():number; } */
+        callSignatureElement = "call",
+        /** interface Y { []:number; } */
+        indexSignatureElement = "index",
+        /** interface Y { new():Y; } */
+        constructSignatureElement = "construct",
+        /** function foo(*Y*: string) */
+        parameterElement = "parameter",
+        typeParameterElement = "type parameter",
+        primitiveType = "primitive type",
+        label = "label",
+        alias = "alias",
+        constElement = "const",
+        letElement = "let",
+        directory = "directory",
+        externalModuleName = "external module name",
+        /**
+         * <JsxTagName attribute1 attribute2={0} />
+         */
+        jsxAttribute = "JSX attribute",
+        /** String literal */
+        string = "string"
+    }
+    enum ScriptElementKindModifier {
+        none = "",
+        publicMemberModifier = "public",
+        privateMemberModifier = "private",
+        protectedMemberModifier = "protected",
+        exportedModifier = "export",
+        ambientModifier = "declare",
+        staticModifier = "static",
+        abstractModifier = "abstract",
+        optionalModifier = "optional",
+        dtsModifier = ".d.ts",
+        tsModifier = ".ts",
+        tsxModifier = ".tsx",
+        jsModifier = ".js",
+        jsxModifier = ".jsx",
+        jsonModifier = ".json"
+    }
+    enum ClassificationTypeNames {
+        comment = "comment",
+        identifier = "identifier",
+        keyword = "keyword",
+        numericLiteral = "number",
+        bigintLiteral = "bigint",
+        operator = "operator",
+        stringLiteral = "string",
+        whiteSpace = "whitespace",
+        text = "text",
+        punctuation = "punctuation",
+        className = "class name",
+        enumName = "enum name",
+        interfaceName = "interface name",
+        moduleName = "module name",
+        typeParameterName = "type parameter name",
+        typeAliasName = "type alias name",
+        parameterName = "parameter name",
+        docCommentTagName = "doc comment tag name",
+        jsxOpenTagName = "jsx open tag name",
+        jsxCloseTagName = "jsx close tag name",
+        jsxSelfClosingTagName = "jsx self closing tag name",
+        jsxAttribute = "jsx attribute",
+        jsxText = "jsx text",
+        jsxAttributeStringLiteralValue = "jsx attribute string literal value"
+    }
+    enum ClassificationType {
+        comment = 1,
+        identifier = 2,
+        keyword = 3,
+        numericLiteral = 4,
+        operator = 5,
+        stringLiteral = 6,
+        regularExpressionLiteral = 7,
+        whiteSpace = 8,
+        text = 9,
+        punctuation = 10,
+        className = 11,
+        enumName = 12,
+        interfaceName = 13,
+        moduleName = 14,
+        typeParameterName = 15,
+        typeAliasName = 16,
+        parameterName = 17,
+        docCommentTagName = 18,
+        jsxOpenTagName = 19,
+        jsxCloseTagName = 20,
+        jsxSelfClosingTagName = 21,
+        jsxAttribute = 22,
+        jsxText = 23,
+        jsxAttributeStringLiteralValue = 24,
+        bigintLiteral = 25
+    }
+}
+declare namespace ts {
+    /** The classifier is used for syntactic highlighting in editors via the TSServer */
+    function createClassifier(): Classifier;
+}
+declare namespace ts {
+    interface DocumentHighlights {
+        fileName: string;
+        highlightSpans: HighlightSpan[];
+    }
+}
+declare namespace ts {
+    /**
+     * The document registry represents a store of SourceFile objects that can be shared between
+     * multiple LanguageService instances. A LanguageService instance holds on the SourceFile (AST)
+     * of files in the context.
+     * SourceFile objects account for most of the memory usage by the language service. Sharing
+     * the same DocumentRegistry instance between different instances of LanguageService allow
+     * for more efficient memory utilization since all projects will share at least the library
+     * file (lib.d.ts).
+     *
+     * A more advanced use of the document registry is to serialize sourceFile objects to disk
+     * and re-hydrate them when needed.
+     *
+     * To create a default DocumentRegistry, use createDocumentRegistry to create one, and pass it
+     * to all subsequent createLanguageService calls.
+     */
+    interface DocumentRegistry {
+        /**
+         * Request a stored SourceFile with a given fileName and compilationSettings.
+         * The first call to acquire will call createLanguageServiceSourceFile to generate
+         * the SourceFile if was not found in the registry.
+         *
+         * @param fileName The name of the file requested
+         * @param compilationSettings Some compilation settings like target affects the
+         * shape of a the resulting SourceFile. This allows the DocumentRegistry to store
+         * multiple copies of the same file for different compilation settings.
+         * @param scriptSnapshot Text of the file. Only used if the file was not found
+         * in the registry and a new one was created.
+         * @param version Current version of the file. Only used if the file was not found
+         * in the registry and a new one was created.
+         */
+        acquireDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile;
+        acquireDocumentWithKey(fileName: string, path: Path, compilationSettings: CompilerOptions, key: DocumentRegistryBucketKey, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile;
+        /**
+         * Request an updated version of an already existing SourceFile with a given fileName
+         * and compilationSettings. The update will in-turn call updateLanguageServiceSourceFile
+         * to get an updated SourceFile.
+         *
+         * @param fileName The name of the file requested
+         * @param compilationSettings Some compilation settings like target affects the
+         * shape of a the resulting SourceFile. This allows the DocumentRegistry to store
+         * multiple copies of the same file for different compilation settings.
+         * @param scriptSnapshot Text of the file.
+         * @param version Current version of the file.
+         */
+        updateDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile;
+        updateDocumentWithKey(fileName: string, path: Path, compilationSettings: CompilerOptions, key: DocumentRegistryBucketKey, scriptSnapshot: IScriptSnapshot, version: string, scriptKind?: ScriptKind): SourceFile;
+        getKeyForCompilationSettings(settings: CompilerOptions): DocumentRegistryBucketKey;
+        /**
+         * Informs the DocumentRegistry that a file is not needed any longer.
+         *
+         * Note: It is not allowed to call release on a SourceFile that was not acquired from
+         * this registry originally.
+         *
+         * @param fileName The name of the file to be released
+         * @param compilationSettings The compilation settings used to acquire the file
+         */
+        releaseDocument(fileName: string, compilationSettings: CompilerOptions): void;
+        releaseDocumentWithKey(path: Path, key: DocumentRegistryBucketKey): void;
+        reportStats(): string;
+    }
+    type DocumentRegistryBucketKey = string & {
+        __bucketKey: any;
+    };
+    function createDocumentRegistry(useCaseSensitiveFileNames?: boolean, currentDirectory?: string): DocumentRegistry;
+}
+declare namespace ts {
+    function preProcessFile(sourceText: string, readImportFiles?: boolean, detectJavaScriptImports?: boolean): PreProcessedFileInfo;
+}
+declare namespace ts {
+    interface TranspileOptions {
+        compilerOptions?: CompilerOptions;
+        fileName?: string;
+        reportDiagnostics?: boolean;
+        moduleName?: string;
+        renamedDependencies?: MapLike<string>;
+        transformers?: CustomTransformers;
+    }
+    interface TranspileOutput {
+        outputText: string;
+        diagnostics?: Diagnostic[];
+        sourceMapText?: string;
+    }
+    function transpileModule(input: string, transpileOptions: TranspileOptions): TranspileOutput;
+    function transpile(input: string, compilerOptions?: CompilerOptions, fileName?: string, diagnostics?: Diagnostic[], moduleName?: string): string;
+}
+declare namespace ts {
+    /** The version of the language service API */
+    const servicesVersion = "0.8";
+    function toEditorSettings(options: EditorOptions | EditorSettings): EditorSettings;
+    function displayPartsToString(displayParts: SymbolDisplayPart[] | undefined): string;
+    function getDefaultCompilerOptions(): CompilerOptions;
+    function getSupportedCodeFixes(): string[];
+    function createLanguageServiceSourceFile(fileName: string, scriptSnapshot: IScriptSnapshot, scriptTarget: ScriptTarget, version: string, setNodeParents: boolean, scriptKind?: ScriptKind): SourceFile;
+    function updateLanguageServiceSourceFile(sourceFile: SourceFile, scriptSnapshot: IScriptSnapshot, version: string, textChangeRange: TextChangeRange | undefined, aggressiveChecks?: boolean): SourceFile;
+    function createLanguageService(host: LanguageServiceHost, documentRegistry?: DocumentRegistry, syntaxOnly?: boolean): LanguageService;
+    /**
+     * Get the path of the default library files (lib.d.ts) as distributed with the typescript
+     * node package.
+     * The functionality is not supported if the ts module is consumed outside of a node module.
+     */
+    function getDefaultLibFilePath(options: CompilerOptions): string;
+}
+declare namespace ts {
+    /**
+     * Transform one or more nodes using the supplied transformers.
+     * @param source A single `Node` or an array of `Node` objects.
+     * @param transformers An array of `TransformerFactory` callbacks used to process the transformation.
+     * @param compilerOptions Optional compiler options.
+     */
+    function transform<T extends Node>(source: T | T[], transformers: TransformerFactory<T>[], compilerOptions?: CompilerOptions): TransformationResult<T>;
+}
+declare namespace ts.server {
+    interface CompressedData {
+        length: number;
+        compressionKind: string;
+        data: any;
+    }
+    type RequireResult = {
+        module: {};
+        error: undefined;
+    } | {
+        module: undefined;
+        error: {
+            stack?: string;
+            message?: string;
+        };
+    };
+    interface ServerHost extends System {
+        watchFile(path: string, callback: FileWatcherCallback, pollingInterval?: number, options?: WatchOptions): FileWatcher;
+        watchDirectory(path: string, callback: DirectoryWatcherCallback, recursive?: boolean, options?: WatchOptions): FileWatcher;
+        setTimeout(callback: (...args: any[]) => void, ms: number, ...args: any[]): any;
+        clearTimeout(timeoutId: any): void;
+        setImmediate(callback: (...args: any[]) => void, ...args: any[]): any;
+        clearImmediate(timeoutId: any): void;
+        gc?(): void;
+        trace?(s: string): void;
+        require?(initialPath: string, moduleName: string): RequireResult;
+    }
+}
+declare namespace ts.server {
+    enum LogLevel {
+        terse = 0,
+        normal = 1,
+        requestTime = 2,
+        verbose = 3
+    }
+    const emptyArray: SortedReadonlyArray<never>;
+    interface Logger {
+        close(): void;
+        hasLevel(level: LogLevel): boolean;
+        loggingEnabled(): boolean;
+        perftrc(s: string): void;
+        info(s: string): void;
+        startGroup(): void;
+        endGroup(): void;
+        msg(s: string, type?: Msg): void;
+        getLogFileName(): string | undefined;
+    }
+    enum Msg {
+        Err = "Err",
+        Info = "Info",
+        Perf = "Perf"
+    }
+    namespace Msg {
+        /** @deprecated Only here for backwards-compatibility. Prefer just `Msg`. */
+        type Types = Msg;
+    }
+    function createInstallTypingsRequest(project: Project, typeAcquisition: TypeAcquisition, unresolvedImports: SortedReadonlyArray<string>, cachePath?: string): DiscoverTypings;
+    namespace Errors {
+        function ThrowNoProject(): never;
+        function ThrowProjectLanguageServiceDisabled(): never;
+        function ThrowProjectDoesNotContainDocument(fileName: string, project: Project): never;
+    }
+    type NormalizedPath = string & {
+        __normalizedPathTag: any;
+    };
+    function toNormalizedPath(fileName: string): NormalizedPath;
+    function normalizedPathToPath(normalizedPath: NormalizedPath, currentDirectory: string, getCanonicalFileName: (f: string) => string): Path;
+    function asNormalizedPath(fileName: string): NormalizedPath;
+    interface NormalizedPathMap<T> {
+        get(path: NormalizedPath): T | undefined;
+        set(path: NormalizedPath, value: T): void;
+        contains(path: NormalizedPath): boolean;
+        remove(path: NormalizedPath): void;
+    }
+    function createNormalizedPathMap<T>(): NormalizedPathMap<T>;
+    function isInferredProjectName(name: string): boolean;
+    function makeInferredProjectName(counter: number): string;
+    function createSortedArray<T>(): SortedArray<T>;
+}
+/**
+ * Declaration module describing the TypeScript Server protocol
+ */
+declare namespace ts.server.protocol {
+    enum CommandTypes {
+        JsxClosingTag = "jsxClosingTag",
+        Brace = "brace",
+        BraceCompletion = "braceCompletion",
+        GetSpanOfEnclosingComment = "getSpanOfEnclosingComment",
+        Change = "change",
+        Close = "close",
+        /** @deprecated Prefer CompletionInfo -- see comment on CompletionsResponse */
+        Completions = "completions",
+        CompletionInfo = "completionInfo",
+        CompletionDetails = "completionEntryDetails",
+        CompileOnSaveAffectedFileList = "compileOnSaveAffectedFileList",
+        CompileOnSaveEmitFile = "compileOnSaveEmitFile",
+        Configure = "configure",
+        Definition = "definition",
+        DefinitionAndBoundSpan = "definitionAndBoundSpan",
+        Implementation = "implementation",
+        Exit = "exit",
+        Format = "format",
+        Formatonkey = "formatonkey",
+        Geterr = "geterr",
+        GeterrForProject = "geterrForProject",
+        SemanticDiagnosticsSync = "semanticDiagnosticsSync",
+        SyntacticDiagnosticsSync = "syntacticDiagnosticsSync",
+        SuggestionDiagnosticsSync = "suggestionDiagnosticsSync",
+        NavBar = "navbar",
+        Navto = "navto",
+        NavTree = "navtree",
+        NavTreeFull = "navtree-full",
+        /** @deprecated */
+        Occurrences = "occurrences",
+        DocumentHighlights = "documentHighlights",
+        Open = "open",
+        Quickinfo = "quickinfo",
+        References = "references",
+        Reload = "reload",
+        Rename = "rename",
+        Saveto = "saveto",
+        SignatureHelp = "signatureHelp",
+        Status = "status",
+        TypeDefinition = "typeDefinition",
+        ProjectInfo = "projectInfo",
+        ReloadProjects = "reloadProjects",
+        Unknown = "unknown",
+        OpenExternalProject = "openExternalProject",
+        OpenExternalProjects = "openExternalProjects",
+        CloseExternalProject = "closeExternalProject",
+        UpdateOpen = "updateOpen",
+        GetOutliningSpans = "getOutliningSpans",
+        TodoComments = "todoComments",
+        Indentation = "indentation",
+        DocCommentTemplate = "docCommentTemplate",
+        CompilerOptionsForInferredProjects = "compilerOptionsForInferredProjects",
+        GetCodeFixes = "getCodeFixes",
+        GetCombinedCodeFix = "getCombinedCodeFix",
+        ApplyCodeActionCommand = "applyCodeActionCommand",
+        GetSupportedCodeFixes = "getSupportedCodeFixes",
+        GetApplicableRefactors = "getApplicableRefactors",
+        GetEditsForRefactor = "getEditsForRefactor",
+        OrganizeImports = "organizeImports",
+        GetEditsForFileRename = "getEditsForFileRename",
+        ConfigurePlugin = "configurePlugin",
+        SelectionRange = "selectionRange",
+        PrepareCallHierarchy = "prepareCallHierarchy",
+        ProvideCallHierarchyIncomingCalls = "provideCallHierarchyIncomingCalls",
+        ProvideCallHierarchyOutgoingCalls = "provideCallHierarchyOutgoingCalls"
+    }
+    /**
+     * A TypeScript Server message
+     */
+    interface Message {
+        /**
+         * Sequence number of the message
+         */
+        seq: number;
+        /**
+         * One of "request", "response", or "event"
+         */
+        type: "request" | "response" | "event";
+    }
+    /**
+     * Client-initiated request message
+     */
+    interface Request extends Message {
+        type: "request";
+        /**
+         * The command to execute
+         */
+        command: string;
+        /**
+         * Object containing arguments for the command
+         */
+        arguments?: any;
+    }
+    /**
+     * Request to reload the project structure for all the opened files
+     */
+    interface ReloadProjectsRequest extends Message {
+        command: CommandTypes.ReloadProjects;
+    }
+    /**
+     * Server-initiated event message
+     */
+    interface Event extends Message {
+        type: "event";
+        /**
+         * Name of event
+         */
+        event: string;
+        /**
+         * Event-specific information
+         */
+        body?: any;
+    }
+    /**
+     * Response by server to client request message.
+     */
+    interface Response extends Message {
+        type: "response";
+        /**
+         * Sequence number of the request message.
+         */
+        request_seq: number;
+        /**
+         * Outcome of the request.
+         */
+        success: boolean;
+        /**
+         * The command requested.
+         */
+        command: string;
+        /**
+         * If success === false, this should always be provided.
+         * Otherwise, may (or may not) contain a success message.
+         */
+        message?: string;
+        /**
+         * Contains message body if success === true.
+         */
+        body?: any;
+        /**
+         * Contains extra information that plugin can include to be passed on
+         */
+        metadata?: unknown;
+        /**
+         * Exposes information about the performance of this request-response pair.
+         */
+        performanceData?: PerformanceData;
+    }
+    interface PerformanceData {
+        /**
+         * Time spent updating the program graph, in milliseconds.
+         */
+        updateGraphDurationMs?: number;
+    }
+    /**
+     * Arguments for FileRequest messages.
+     */
+    interface FileRequestArgs {
+        /**
+         * The file for the request (absolute pathname required).
+         */
+        file: string;
+        projectFileName?: string;
+    }
+    interface StatusRequest extends Request {
+        command: CommandTypes.Status;
+    }
+    interface StatusResponseBody {
+        /**
+         * The TypeScript version (`ts.version`).
+         */
+        version: string;
+    }
+    /**
+     * Response to StatusRequest
+     */
+    interface StatusResponse extends Response {
+        body: StatusResponseBody;
+    }
+    /**
+     * Requests a JS Doc comment template for a given position
+     */
+    interface DocCommentTemplateRequest extends FileLocationRequest {
+        command: CommandTypes.DocCommentTemplate;
+    }
+    /**
+     * Response to DocCommentTemplateRequest
+     */
+    interface DocCommandTemplateResponse extends Response {
+        body?: TextInsertion;
+    }
+    /**
+     * A request to get TODO comments from the file
+     */
+    interface TodoCommentRequest extends FileRequest {
+        command: CommandTypes.TodoComments;
+        arguments: TodoCommentRequestArgs;
+    }
+    /**
+     * Arguments for TodoCommentRequest request.
+     */
+    interface TodoCommentRequestArgs extends FileRequestArgs {
+        /**
+         * Array of target TodoCommentDescriptors that describes TODO comments to be found
+         */
+        descriptors: TodoCommentDescriptor[];
+    }
+    /**
+     * Response for TodoCommentRequest request.
+     */
+    interface TodoCommentsResponse extends Response {
+        body?: TodoComment[];
+    }
+    /**
+     * A request to determine if the caret is inside a comment.
+     */
+    interface SpanOfEnclosingCommentRequest extends FileLocationRequest {
+        command: CommandTypes.GetSpanOfEnclosingComment;
+        arguments: SpanOfEnclosingCommentRequestArgs;
+    }
+    interface SpanOfEnclosingCommentRequestArgs extends FileLocationRequestArgs {
+        /**
+         * Requires that the enclosing span be a multi-line comment, or else the request returns undefined.
+         */
+        onlyMultiLine: boolean;
+    }
+    /**
+     * Request to obtain outlining spans in file.
+     */
+    interface OutliningSpansRequest extends FileRequest {
+        command: CommandTypes.GetOutliningSpans;
+    }
+    interface OutliningSpan {
+        /** The span of the document to actually collapse. */
+        textSpan: TextSpan;
+        /** The span of the document to display when the user hovers over the collapsed span. */
+        hintSpan: TextSpan;
+        /** The text to display in the editor for the collapsed region. */
+        bannerText: string;
+        /**
+         * Whether or not this region should be automatically collapsed when
+         * the 'Collapse to Definitions' command is invoked.
+         */
+        autoCollapse: boolean;
+        /**
+         * Classification of the contents of the span
+         */
+        kind: OutliningSpanKind;
+    }
+    /**
+     * Response to OutliningSpansRequest request.
+     */
+    interface OutliningSpansResponse extends Response {
+        body?: OutliningSpan[];
+    }
+    /**
+     * A request to get indentation for a location in file
+     */
+    interface IndentationRequest extends FileLocationRequest {
+        command: CommandTypes.Indentation;
+        arguments: IndentationRequestArgs;
+    }
+    /**
+     * Response for IndentationRequest request.
+     */
+    interface IndentationResponse extends Response {
+        body?: IndentationResult;
+    }
+    /**
+     * Indentation result representing where indentation should be placed
+     */
+    interface IndentationResult {
+        /**
+         * The base position in the document that the indent should be relative to
+         */
+        position: number;
+        /**
+         * The number of columns the indent should be at relative to the position's column.
+         */
+        indentation: number;
+    }
+    /**
+     * Arguments for IndentationRequest request.
+     */
+    interface IndentationRequestArgs extends FileLocationRequestArgs {
+        /**
+         * An optional set of settings to be used when computing indentation.
+         * If argument is omitted - then it will use settings for file that were previously set via 'configure' request or global settings.
+         */
+        options?: EditorSettings;
+    }
+    /**
+     * Arguments for ProjectInfoRequest request.
+     */
+    interface ProjectInfoRequestArgs extends FileRequestArgs {
+        /**
+         * Indicate if the file name list of the project is needed
+         */
+        needFileNameList: boolean;
+    }
+    /**
+     * A request to get the project information of the current file.
+     */
+    interface ProjectInfoRequest extends Request {
+        command: CommandTypes.ProjectInfo;
+        arguments: ProjectInfoRequestArgs;
+    }
+    /**
+     * A request to retrieve compiler options diagnostics for a project
+     */
+    interface CompilerOptionsDiagnosticsRequest extends Request {
+        arguments: CompilerOptionsDiagnosticsRequestArgs;
+    }
+    /**
+     * Arguments for CompilerOptionsDiagnosticsRequest request.
+     */
+    interface CompilerOptionsDiagnosticsRequestArgs {
+        /**
+         * Name of the project to retrieve compiler options diagnostics.
+         */
+        projectFileName: string;
+    }
+    /**
+     * Response message body for "projectInfo" request
+     */
+    interface ProjectInfo {
+        /**
+         * For configured project, this is the normalized path of the 'tsconfig.json' file
+         * For inferred project, this is undefined
+         */
+        configFileName: string;
+        /**
+         * The list of normalized file name in the project, including 'lib.d.ts'
+         */
+        fileNames?: string[];
+        /**
+         * Indicates if the project has a active language service instance
+         */
+        languageServiceDisabled?: boolean;
+    }
+    /**
+     * Represents diagnostic info that includes location of diagnostic in two forms
+     * - start position and length of the error span
+     * - startLocation and endLocation - a pair of Location objects that store start/end line and offset of the error span.
+     */
+    interface DiagnosticWithLinePosition {
+        message: string;
+        start: number;
+        length: number;
+        startLocation: Location;
+        endLocation: Location;
+        category: string;
+        code: number;
+        /** May store more in future. For now, this will simply be `true` to indicate when a diagnostic is an unused-identifier diagnostic. */
+        reportsUnnecessary?: {};
+        relatedInformation?: DiagnosticRelatedInformation[];
+    }
+    /**
+     * Response message for "projectInfo" request
+     */
+    interface ProjectInfoResponse extends Response {
+        body?: ProjectInfo;
+    }
+    /**
+     * Request whose sole parameter is a file name.
+     */
+    interface FileRequest extends Request {
+        arguments: FileRequestArgs;
+    }
+    /**
+     * Instances of this interface specify a location in a source file:
+     * (file, line, character offset), where line and character offset are 1-based.
+     */
+    interface FileLocationRequestArgs extends FileRequestArgs {
+        /**
+         * The line number for the request (1-based).
+         */
+        line: number;
+        /**
+         * The character offset (on the line) for the request (1-based).
+         */
+        offset: number;
+    }
+    type FileLocationOrRangeRequestArgs = FileLocationRequestArgs | FileRangeRequestArgs;
+    /**
+     * Request refactorings at a given position or selection area.
+     */
+    interface GetApplicableRefactorsRequest extends Request {
+        command: CommandTypes.GetApplicableRefactors;
+        arguments: GetApplicableRefactorsRequestArgs;
+    }
+    type GetApplicableRefactorsRequestArgs = FileLocationOrRangeRequestArgs;
+    /**
+     * Response is a list of available refactorings.
+     * Each refactoring exposes one or more "Actions"; a user selects one action to invoke a refactoring
+     */
+    interface GetApplicableRefactorsResponse extends Response {
+        body?: ApplicableRefactorInfo[];
+    }
+    /**
+     * A set of one or more available refactoring actions, grouped under a parent refactoring.
+     */
+    interface ApplicableRefactorInfo {
+        /**
+         * The programmatic name of the refactoring
+         */
+        name: string;
+        /**
+         * A description of this refactoring category to show to the user.
+         * If the refactoring gets inlined (see below), this text will not be visible.
+         */
+        description: string;
+        /**
+         * Inlineable refactorings can have their actions hoisted out to the top level
+         * of a context menu. Non-inlineanable refactorings should always be shown inside
+         * their parent grouping.
+         *
+         * If not specified, this value is assumed to be 'true'
+         */
+        inlineable?: boolean;
+        actions: RefactorActionInfo[];
+    }
+    /**
+     * Represents a single refactoring action - for example, the "Extract Method..." refactor might
+     * offer several actions, each corresponding to a surround class or closure to extract into.
+     */
+    interface RefactorActionInfo {
+        /**
+         * The programmatic name of the refactoring action
+         */
+        name: string;
+        /**
+         * A description of this refactoring action to show to the user.
+         * If the parent refactoring is inlined away, this will be the only text shown,
+         * so this description should make sense by itself if the parent is inlineable=true
+         */
+        description: string;
+    }
+    interface GetEditsForRefactorRequest extends Request {
+        command: CommandTypes.GetEditsForRefactor;
+        arguments: GetEditsForRefactorRequestArgs;
+    }
+    /**
+     * Request the edits that a particular refactoring action produces.
+     * Callers must specify the name of the refactor and the name of the action.
+     */
+    type GetEditsForRefactorRequestArgs = FileLocationOrRangeRequestArgs & {
+        refactor: string;
+        action: string;
+    };
+    interface GetEditsForRefactorResponse extends Response {
+        body?: RefactorEditInfo;
+    }
+    interface RefactorEditInfo {
+        edits: FileCodeEdits[];
+        /**
+         * An optional location where the editor should start a rename operation once
+         * the refactoring edits have been applied
+         */
+        renameLocation?: Location;
+        renameFilename?: string;
+    }
+    /**
+     * Organize imports by:
+     *   1) Removing unused imports
+     *   2) Coalescing imports from the same module
+     *   3) Sorting imports
+     */
+    interface OrganizeImportsRequest extends Request {
+        command: CommandTypes.OrganizeImports;
+        arguments: OrganizeImportsRequestArgs;
+    }
+    type OrganizeImportsScope = GetCombinedCodeFixScope;
+    interface OrganizeImportsRequestArgs {
+        scope: OrganizeImportsScope;
+    }
+    interface OrganizeImportsResponse extends Response {
+        body: readonly FileCodeEdits[];
+    }
+    interface GetEditsForFileRenameRequest extends Request {
+        command: CommandTypes.GetEditsForFileRename;
+        arguments: GetEditsForFileRenameRequestArgs;
+    }
+    /** Note: Paths may also be directories. */
+    interface GetEditsForFileRenameRequestArgs {
+        readonly oldFilePath: string;
+        readonly newFilePath: string;
+    }
+    interface GetEditsForFileRenameResponse extends Response {
+        body: readonly FileCodeEdits[];
+    }
+    /**
+     * Request for the available codefixes at a specific position.
+     */
+    interface CodeFixRequest extends Request {
+        command: CommandTypes.GetCodeFixes;
+        arguments: CodeFixRequestArgs;
+    }
+    interface GetCombinedCodeFixRequest extends Request {
+        command: CommandTypes.GetCombinedCodeFix;
+        arguments: GetCombinedCodeFixRequestArgs;
+    }
+    interface GetCombinedCodeFixResponse extends Response {
+        body: CombinedCodeActions;
+    }
+    interface ApplyCodeActionCommandRequest extends Request {
+        command: CommandTypes.ApplyCodeActionCommand;
+        arguments: ApplyCodeActionCommandRequestArgs;
+    }
+    interface ApplyCodeActionCommandResponse extends Response {
+    }
+    interface FileRangeRequestArgs extends FileRequestArgs {
+        /**
+         * The line number for the request (1-based).
+         */
+        startLine: number;
+        /**
+         * The character offset (on the line) for the request (1-based).
+         */
+        startOffset: number;
+        /**
+         * The line number for the request (1-based).
+         */
+        endLine: number;
+        /**
+         * The character offset (on the line) for the request (1-based).
+         */
+        endOffset: number;
+    }
+    /**
+     * Instances of this interface specify errorcodes on a specific location in a sourcefile.
+     */
+    interface CodeFixRequestArgs extends FileRangeRequestArgs {
+        /**
+         * Errorcodes we want to get the fixes for.
+         */
+        errorCodes: readonly number[];
+    }
+    interface GetCombinedCodeFixRequestArgs {
+        scope: GetCombinedCodeFixScope;
+        fixId: {};
+    }
+    interface GetCombinedCodeFixScope {
+        type: "file";
+        args: FileRequestArgs;
+    }
+    interface ApplyCodeActionCommandRequestArgs {
+        /** May also be an array of commands. */
+        command: {};
+    }
+    /**
+     * Response for GetCodeFixes request.
+     */
+    interface GetCodeFixesResponse extends Response {
+        body?: CodeAction[];
+    }
+    /**
+     * A request whose arguments specify a file location (file, line, col).
+     */
+    interface FileLocationRequest extends FileRequest {
+        arguments: FileLocationRequestArgs;
+    }
+    /**
+     * A request to get codes of supported code fixes.
+     */
+    interface GetSupportedCodeFixesRequest extends Request {
+        command: CommandTypes.GetSupportedCodeFixes;
+    }
+    /**
+     * A response for GetSupportedCodeFixesRequest request.
+     */
+    interface GetSupportedCodeFixesResponse extends Response {
+        /**
+         * List of error codes supported by the server.
+         */
+        body?: string[];
+    }
+    /**
+     * Arguments in document highlight request; include: filesToSearch, file,
+     * line, offset.
+     */
+    interface DocumentHighlightsRequestArgs extends FileLocationRequestArgs {
+        /**
+         * List of files to search for document highlights.
+         */
+        filesToSearch: string[];
+    }
+    /**
+     * Go to definition request; value of command field is
+     * "definition". Return response giving the file locations that
+     * define the symbol found in file at location line, col.
+     */
+    interface DefinitionRequest extends FileLocationRequest {
+        command: CommandTypes.Definition;
+    }
+    interface DefinitionAndBoundSpanRequest extends FileLocationRequest {
+        readonly command: CommandTypes.DefinitionAndBoundSpan;
+    }
+    interface DefinitionAndBoundSpanResponse extends Response {
+        readonly body: DefinitionInfoAndBoundSpan;
+    }
+    /**
+     * Go to type request; value of command field is
+     * "typeDefinition". Return response giving the file locations that
+     * define the type for the symbol found in file at location line, col.
+     */
+    interface TypeDefinitionRequest extends FileLocationRequest {
+        command: CommandTypes.TypeDefinition;
+    }
+    /**
+     * Go to implementation request; value of command field is
+     * "implementation". Return response giving the file locations that
+     * implement the symbol found in file at location line, col.
+     */
+    interface ImplementationRequest extends FileLocationRequest {
+        command: CommandTypes.Implementation;
+    }
+    /**
+     * Location in source code expressed as (one-based) line and (one-based) column offset.
+     */
+    interface Location {
+        line: number;
+        offset: number;
+    }
+    /**
+     * Object found in response messages defining a span of text in source code.
+     */
+    interface TextSpan {
+        /**
+         * First character of the definition.
+         */
+        start: Location;
+        /**
+         * One character past last character of the definition.
+         */
+        end: Location;
+    }
+    /**
+     * Object found in response messages defining a span of text in a specific source file.
+     */
+    interface FileSpan extends TextSpan {
+        /**
+         * File containing text span.
+         */
+        file: string;
+    }
+    interface TextSpanWithContext extends TextSpan {
+        contextStart?: Location;
+        contextEnd?: Location;
+    }
+    interface FileSpanWithContext extends FileSpan, TextSpanWithContext {
+    }
+    interface DefinitionInfoAndBoundSpan {
+        definitions: readonly FileSpanWithContext[];
+        textSpan: TextSpan;
+    }
+    /**
+     * Definition response message.  Gives text range for definition.
+     */
+    interface DefinitionResponse extends Response {
+        body?: FileSpanWithContext[];
+    }
+    interface DefinitionInfoAndBoundSpanResponse extends Response {
+        body?: DefinitionInfoAndBoundSpan;
+    }
+    /** @deprecated Use `DefinitionInfoAndBoundSpanResponse` instead. */
+    type DefinitionInfoAndBoundSpanReponse = DefinitionInfoAndBoundSpanResponse;
+    /**
+     * Definition response message.  Gives text range for definition.
+     */
+    interface TypeDefinitionResponse extends Response {
+        body?: FileSpanWithContext[];
+    }
+    /**
+     * Implementation response message.  Gives text range for implementations.
+     */
+    interface ImplementationResponse extends Response {
+        body?: FileSpanWithContext[];
+    }
+    /**
+     * Request to get brace completion for a location in the file.
+     */
+    interface BraceCompletionRequest extends FileLocationRequest {
+        command: CommandTypes.BraceCompletion;
+        arguments: BraceCompletionRequestArgs;
+    }
+    /**
+     * Argument for BraceCompletionRequest request.
+     */
+    interface BraceCompletionRequestArgs extends FileLocationRequestArgs {
+        /**
+         * Kind of opening brace
+         */
+        openingBrace: string;
+    }
+    interface JsxClosingTagRequest extends FileLocationRequest {
+        readonly command: CommandTypes.JsxClosingTag;
+        readonly arguments: JsxClosingTagRequestArgs;
+    }
+    interface JsxClosingTagRequestArgs extends FileLocationRequestArgs {
+    }
+    interface JsxClosingTagResponse extends Response {
+        readonly body: TextInsertion;
+    }
+    /**
+     * @deprecated
+     * Get occurrences request; value of command field is
+     * "occurrences". Return response giving spans that are relevant
+     * in the file at a given line and column.
+     */
+    interface OccurrencesRequest extends FileLocationRequest {
+        command: CommandTypes.Occurrences;
+    }
+    /** @deprecated */
+    interface OccurrencesResponseItem extends FileSpanWithContext {
+        /**
+         * True if the occurrence is a write location, false otherwise.
+         */
+        isWriteAccess: boolean;
+        /**
+         * True if the occurrence is in a string, undefined otherwise;
+         */
+        isInString?: true;
+    }
+    /** @deprecated */
+    interface OccurrencesResponse extends Response {
+        body?: OccurrencesResponseItem[];
+    }
+    /**
+     * Get document highlights request; value of command field is
+     * "documentHighlights". Return response giving spans that are relevant
+     * in the file at a given line and column.
+     */
+    interface DocumentHighlightsRequest extends FileLocationRequest {
+        command: CommandTypes.DocumentHighlights;
+        arguments: DocumentHighlightsRequestArgs;
+    }
+    /**
+     * Span augmented with extra information that denotes the kind of the highlighting to be used for span.
+     */
+    interface HighlightSpan extends TextSpanWithContext {
+        kind: HighlightSpanKind;
+    }
+    /**
+     * Represents a set of highligh spans for a give name
+     */
+    interface DocumentHighlightsItem {
+        /**
+         * File containing highlight spans.
+         */
+        file: string;
+        /**
+         * Spans to highlight in file.
+         */
+        highlightSpans: HighlightSpan[];
+    }
+    /**
+     * Response for a DocumentHighlightsRequest request.
+     */
+    interface DocumentHighlightsResponse extends Response {
+        body?: DocumentHighlightsItem[];
+    }
+    /**
+     * Find references request; value of command field is
+     * "references". Return response giving the file locations that
+     * reference the symbol found in file at location line, col.
+     */
+    interface ReferencesRequest extends FileLocationRequest {
+        command: CommandTypes.References;
+    }
+    interface ReferencesResponseItem extends FileSpanWithContext {
+        /** Text of line containing the reference.  Including this
+         *  with the response avoids latency of editor loading files
+         * to show text of reference line (the server already has
+         * loaded the referencing files).
+         */
+        lineText: string;
+        /**
+         * True if reference is a write location, false otherwise.
+         */
+        isWriteAccess: boolean;
+        /**
+         * True if reference is a definition, false otherwise.
+         */
+        isDefinition: boolean;
+    }
+    /**
+     * The body of a "references" response message.
+     */
+    interface ReferencesResponseBody {
+        /**
+         * The file locations referencing the symbol.
+         */
+        refs: readonly ReferencesResponseItem[];
+        /**
+         * The name of the symbol.
+         */
+        symbolName: string;
+        /**
+         * The start character offset of the symbol (on the line provided by the references request).
+         */
+        symbolStartOffset: number;
+        /**
+         * The full display name of the symbol.
+         */
+        symbolDisplayString: string;
+    }
+    /**
+     * Response to "references" request.
+     */
+    interface ReferencesResponse extends Response {
+        body?: ReferencesResponseBody;
+    }
+    /**
+     * Argument for RenameRequest request.
+     */
+    interface RenameRequestArgs extends FileLocationRequestArgs {
+        /**
+         * Should text at specified location be found/changed in comments?
+         */
+        findInComments?: boolean;
+        /**
+         * Should text at specified location be found/changed in strings?
+         */
+        findInStrings?: boolean;
+    }
+    /**
+     * Rename request; value of command field is "rename". Return
+     * response giving the file locations that reference the symbol
+     * found in file at location line, col. Also return full display
+     * name of the symbol so that client can print it unambiguously.
+     */
+    interface RenameRequest extends FileLocationRequest {
+        command: CommandTypes.Rename;
+        arguments: RenameRequestArgs;
+    }
+    /**
+     * Information about the item to be renamed.
+     */
+    type RenameInfo = RenameInfoSuccess | RenameInfoFailure;
+    interface RenameInfoSuccess {
+        /**
+         * True if item can be renamed.
+         */
+        canRename: true;
+        /**
+         * File or directory to rename.
+         * If set, `getEditsForFileRename` should be called instead of `findRenameLocations`.
+         */
+        fileToRename?: string;
+        /**
+         * Display name of the item to be renamed.
+         */
+        displayName: string;
+        /**
+         * Full display name of item to be renamed.
+         */
+        fullDisplayName: string;
+        /**
+         * The items's kind (such as 'className' or 'parameterName' or plain 'text').
+         */
+        kind: ScriptElementKind;
+        /**
+         * Optional modifiers for the kind (such as 'public').
+         */
+        kindModifiers: string;
+        /** Span of text to rename. */
+        triggerSpan: TextSpan;
+    }
+    interface RenameInfoFailure {
+        canRename: false;
+        /**
+         * Error message if item can not be renamed.
+         */
+        localizedErrorMessage: string;
+    }
+    /**
+     *  A group of text spans, all in 'file'.
+     */
+    interface SpanGroup {
+        /** The file to which the spans apply */
+        file: string;
+        /** The text spans in this group */
+        locs: RenameTextSpan[];
+    }
+    interface RenameTextSpan extends TextSpanWithContext {
+        readonly prefixText?: string;
+        readonly suffixText?: string;
+    }
+    interface RenameResponseBody {
+        /**
+         * Information about the item to be renamed.
+         */
+        info: RenameInfo;
+        /**
+         * An array of span groups (one per file) that refer to the item to be renamed.
+         */
+        locs: readonly SpanGroup[];
+    }
+    /**
+     * Rename response message.
+     */
+    interface RenameResponse extends Response {
+        body?: RenameResponseBody;
+    }
+    /**
+     * Represents a file in external project.
+     * External project is project whose set of files, compilation options and open\close state
+     * is maintained by the client (i.e. if all this data come from .csproj file in Visual Studio).
+     * External project will exist even if all files in it are closed and should be closed explicitly.
+     * If external project includes one or more tsconfig.json/jsconfig.json files then tsserver will
+     * create configured project for every config file but will maintain a link that these projects were created
+     * as a result of opening external project so they should be removed once external project is closed.
+     */
+    interface ExternalFile {
+        /**
+         * Name of file file
+         */
+        fileName: string;
+        /**
+         * Script kind of the file
+         */
+        scriptKind?: ScriptKindName | ts.ScriptKind;
+        /**
+         * Whether file has mixed content (i.e. .cshtml file that combines html markup with C#/JavaScript)
+         */
+        hasMixedContent?: boolean;
+        /**
+         * Content of the file
+         */
+        content?: string;
+    }
+    /**
+     * Represent an external project
+     */
+    interface ExternalProject {
+        /**
+         * Project name
+         */
+        projectFileName: string;
+        /**
+         * List of root files in project
+         */
+        rootFiles: ExternalFile[];
+        /**
+         * Compiler options for the project
+         */
+        options: ExternalProjectCompilerOptions;
+        /**
+         * @deprecated typingOptions. Use typeAcquisition instead
+         */
+        typingOptions?: TypeAcquisition;
+        /**
+         * Explicitly specified type acquisition for the project
+         */
+        typeAcquisition?: TypeAcquisition;
+    }
+    interface CompileOnSaveMixin {
+        /**
+         * If compile on save is enabled for the project
+         */
+        compileOnSave?: boolean;
+    }
+    /**
+     * For external projects, some of the project settings are sent together with
+     * compiler settings.
+     */
+    type ExternalProjectCompilerOptions = CompilerOptions & CompileOnSaveMixin & WatchOptions;
+    interface FileWithProjectReferenceRedirectInfo {
+        /**
+         * Name of file
+         */
+        fileName: string;
+        /**
+         * True if the file is primarily included in a referenced project
+         */
+        isSourceOfProjectReferenceRedirect: boolean;
+    }
+    /**
+     * Represents a set of changes that happen in project
+     */
+    interface ProjectChanges {
+        /**
+         * List of added files
+         */
+        added: string[] | FileWithProjectReferenceRedirectInfo[];
+        /**
+         * List of removed files
+         */
+        removed: string[] | FileWithProjectReferenceRedirectInfo[];
+        /**
+         * List of updated files
+         */
+        updated: string[] | FileWithProjectReferenceRedirectInfo[];
+        /**
+         * List of files that have had their project reference redirect status updated
+         * Only provided when the synchronizeProjectList request has includeProjectReferenceRedirectInfo set to true
+         */
+        updatedRedirects?: FileWithProjectReferenceRedirectInfo[];
+    }
+    /**
+     * Information found in a configure request.
+     */
+    interface ConfigureRequestArguments {
+        /**
+         * Information about the host, for example 'Emacs 24.4' or
+         * 'Sublime Text version 3075'
+         */
+        hostInfo?: string;
+        /**
+         * If present, tab settings apply only to this file.
+         */
+        file?: string;
+        /**
+         * The format options to use during formatting and other code editing features.
+         */
+        formatOptions?: FormatCodeSettings;
+        preferences?: UserPreferences;
+        /**
+         * The host's additional supported .js file extensions
+         */
+        extraFileExtensions?: FileExtensionInfo[];
+        watchOptions?: WatchOptions;
+    }
+    enum WatchFileKind {
+        FixedPollingInterval = "FixedPollingInterval",
+        PriorityPollingInterval = "PriorityPollingInterval",
+        DynamicPriorityPolling = "DynamicPriorityPolling",
+        UseFsEvents = "UseFsEvents",
+        UseFsEventsOnParentDirectory = "UseFsEventsOnParentDirectory"
+    }
+    enum WatchDirectoryKind {
+        UseFsEvents = "UseFsEvents",
+        FixedPollingInterval = "FixedPollingInterval",
+        DynamicPriorityPolling = "DynamicPriorityPolling"
+    }
+    enum PollingWatchKind {
+        FixedInterval = "FixedInterval",
+        PriorityInterval = "PriorityInterval",
+        DynamicPriority = "DynamicPriority"
+    }
+    interface WatchOptions {
+        watchFile?: WatchFileKind | ts.WatchFileKind;
+        watchDirectory?: WatchDirectoryKind | ts.WatchDirectoryKind;
+        fallbackPolling?: PollingWatchKind | ts.PollingWatchKind;
+        synchronousWatchDirectory?: boolean;
+        [option: string]: CompilerOptionsValue | undefined;
+    }
+    /**
+     *  Configure request; value of command field is "configure".  Specifies
+     *  host information, such as host type, tab size, and indent size.
+     */
+    interface ConfigureRequest extends Request {
+        command: CommandTypes.Configure;
+        arguments: ConfigureRequestArguments;
+    }
+    /**
+     * Response to "configure" request.  This is just an acknowledgement, so
+     * no body field is required.
+     */
+    interface ConfigureResponse extends Response {
+    }
+    interface ConfigurePluginRequestArguments {
+        pluginName: string;
+        configuration: any;
+    }
+    interface ConfigurePluginRequest extends Request {
+        command: CommandTypes.ConfigurePlugin;
+        arguments: ConfigurePluginRequestArguments;
+    }
+    interface ConfigurePluginResponse extends Response {
+    }
+    interface SelectionRangeRequest extends FileRequest {
+        command: CommandTypes.SelectionRange;
+        arguments: SelectionRangeRequestArgs;
+    }
+    interface SelectionRangeRequestArgs extends FileRequestArgs {
+        locations: Location[];
+    }
+    interface SelectionRangeResponse extends Response {
+        body?: SelectionRange[];
+    }
+    interface SelectionRange {
+        textSpan: TextSpan;
+        parent?: SelectionRange;
+    }
+    /**
+     *  Information found in an "open" request.
+     */
+    interface OpenRequestArgs extends FileRequestArgs {
+        /**
+         * Used when a version of the file content is known to be more up to date than the one on disk.
+         * Then the known content will be used upon opening instead of the disk copy
+         */
+        fileContent?: string;
+        /**
+         * Used to specify the script kind of the file explicitly. It could be one of the following:
+         *      "TS", "JS", "TSX", "JSX"
+         */
+        scriptKindName?: ScriptKindName;
+        /**
+         * Used to limit the searching for project config file. If given the searching will stop at this
+         * root path; otherwise it will go all the way up to the dist root path.
+         */
+        projectRootPath?: string;
+    }
+    type ScriptKindName = "TS" | "JS" | "TSX" | "JSX";
+    /**
+     * Open request; value of command field is "open". Notify the
+     * server that the client has file open.  The server will not
+     * monitor the filesystem for changes in this file and will assume
+     * that the client is updating the server (using the change and/or
+     * reload messages) when the file changes. Server does not currently
+     * send a response to an open request.
+     */
+    interface OpenRequest extends Request {
+        command: CommandTypes.Open;
+        arguments: OpenRequestArgs;
+    }
+    /**
+     * Request to open or update external project
+     */
+    interface OpenExternalProjectRequest extends Request {
+        command: CommandTypes.OpenExternalProject;
+        arguments: OpenExternalProjectArgs;
+    }
+    /**
+     * Arguments to OpenExternalProjectRequest request
+     */
+    type OpenExternalProjectArgs = ExternalProject;
+    /**
+     * Request to open multiple external projects
+     */
+    interface OpenExternalProjectsRequest extends Request {
+        command: CommandTypes.OpenExternalProjects;
+        arguments: OpenExternalProjectsArgs;
+    }
+    /**
+     * Arguments to OpenExternalProjectsRequest
+     */
+    interface OpenExternalProjectsArgs {
+        /**
+         * List of external projects to open or update
+         */
+        projects: ExternalProject[];
+    }
+    /**
+     * Response to OpenExternalProjectRequest request. This is just an acknowledgement, so
+     * no body field is required.
+     */
+    interface OpenExternalProjectResponse extends Response {
+    }
+    /**
+     * Response to OpenExternalProjectsRequest request. This is just an acknowledgement, so
+     * no body field is required.
+     */
+    interface OpenExternalProjectsResponse extends Response {
+    }
+    /**
+     * Request to close external project.
+     */
+    interface CloseExternalProjectRequest extends Request {
+        command: CommandTypes.CloseExternalProject;
+        arguments: CloseExternalProjectRequestArgs;
+    }
+    /**
+     * Arguments to CloseExternalProjectRequest request
+     */
+    interface CloseExternalProjectRequestArgs {
+        /**
+         * Name of the project to close
+         */
+        projectFileName: string;
+    }
+    /**
+     * Response to CloseExternalProjectRequest request. This is just an acknowledgement, so
+     * no body field is required.
+     */
+    interface CloseExternalProjectResponse extends Response {
+    }
+    /**
+     * Request to synchronize list of open files with the client
+     */
+    interface UpdateOpenRequest extends Request {
+        command: CommandTypes.UpdateOpen;
+        arguments: UpdateOpenRequestArgs;
+    }
+    /**
+     * Arguments to UpdateOpenRequest
+     */
+    interface UpdateOpenRequestArgs {
+        /**
+         * List of newly open files
+         */
+        openFiles?: OpenRequestArgs[];
+        /**
+         * List of open files files that were changes
+         */
+        changedFiles?: FileCodeEdits[];
+        /**
+         * List of files that were closed
+         */
+        closedFiles?: string[];
+    }
+    /**
+     * Request to set compiler options for inferred projects.
+     * External projects are opened / closed explicitly.
+     * Configured projects are opened when user opens loose file that has 'tsconfig.json' or 'jsconfig.json' anywhere in one of containing folders.
+     * This configuration file will be used to obtain a list of files and configuration settings for the project.
+     * Inferred projects are created when user opens a loose file that is not the part of external project
+     * or configured project and will contain only open file and transitive closure of referenced files if 'useOneInferredProject' is false,
+     * or all open loose files and its transitive closure of referenced files if 'useOneInferredProject' is true.
+     */
+    interface SetCompilerOptionsForInferredProjectsRequest extends Request {
+        command: CommandTypes.CompilerOptionsForInferredProjects;
+        arguments: SetCompilerOptionsForInferredProjectsArgs;
+    }
+    /**
+     * Argument for SetCompilerOptionsForInferredProjectsRequest request.
+     */
+    interface SetCompilerOptionsForInferredProjectsArgs {
+        /**
+         * Compiler options to be used with inferred projects.
+         */
+        options: ExternalProjectCompilerOptions;
+        /**
+         * Specifies the project root path used to scope compiler options.
+         * It is an error to provide this property if the server has not been started with
+         * `useInferredProjectPerProjectRoot` enabled.
+         */
+        projectRootPath?: string;
+    }
+    /**
+     * Response to SetCompilerOptionsForInferredProjectsResponse request. This is just an acknowledgement, so
+     * no body field is required.
+     */
+    interface SetCompilerOptionsForInferredProjectsResponse extends Response {
+    }
+    /**
+     *  Exit request; value of command field is "exit".  Ask the server process
+     *  to exit.
+     */
+    interface ExitRequest extends Request {
+        command: CommandTypes.Exit;
+    }
+    /**
+     * Close request; value of command field is "close". Notify the
+     * server that the client has closed a previously open file.  If
+     * file is still referenced by open files, the server will resume
+     * monitoring the filesystem for changes to file.  Server does not
+     * currently send a response to a close request.
+     */
+    interface CloseRequest extends FileRequest {
+        command: CommandTypes.Close;
+    }
+    /**
+     * Request to obtain the list of files that should be regenerated if target file is recompiled.
+     * NOTE: this us query-only operation and does not generate any output on disk.
+     */
+    interface CompileOnSaveAffectedFileListRequest extends FileRequest {
+        command: CommandTypes.CompileOnSaveAffectedFileList;
+    }
+    /**
+     * Contains a list of files that should be regenerated in a project
+     */
+    interface CompileOnSaveAffectedFileListSingleProject {
+        /**
+         * Project name
+         */
+        projectFileName: string;
+        /**
+         * List of files names that should be recompiled
+         */
+        fileNames: string[];
+        /**
+         * true if project uses outFile or out compiler option
+         */
+        projectUsesOutFile: boolean;
+    }
+    /**
+     * Response for CompileOnSaveAffectedFileListRequest request;
+     */
+    interface CompileOnSaveAffectedFileListResponse extends Response {
+        body: CompileOnSaveAffectedFileListSingleProject[];
+    }
+    /**
+     * Request to recompile the file. All generated outputs (.js, .d.ts or .js.map files) is written on disk.
+     */
+    interface CompileOnSaveEmitFileRequest extends FileRequest {
+        command: CommandTypes.CompileOnSaveEmitFile;
+        arguments: CompileOnSaveEmitFileRequestArgs;
+    }
+    /**
+     * Arguments for CompileOnSaveEmitFileRequest
+     */
+    interface CompileOnSaveEmitFileRequestArgs extends FileRequestArgs {
+        /**
+         * if true - then file should be recompiled even if it does not have any changes.
+         */
+        forced?: boolean;
+        includeLinePosition?: boolean;
+        /** if true - return response as object with emitSkipped and diagnostics */
+        richResponse?: boolean;
+    }
+    interface CompileOnSaveEmitFileResponse extends Response {
+        body: boolean | EmitResult;
+    }
+    interface EmitResult {
+        emitSkipped: boolean;
+        diagnostics: Diagnostic[] | DiagnosticWithLinePosition[];
+    }
+    /**
+     * Quickinfo request; value of command field is
+     * "quickinfo". Return response giving a quick type and
+     * documentation string for the symbol found in file at location
+     * line, col.
+     */
+    interface QuickInfoRequest extends FileLocationRequest {
+        command: CommandTypes.Quickinfo;
+    }
+    /**
+     * Body of QuickInfoResponse.
+     */
+    interface QuickInfoResponseBody {
+        /**
+         * The symbol's kind (such as 'className' or 'parameterName' or plain 'text').
+         */
+        kind: ScriptElementKind;
+        /**
+         * Optional modifiers for the kind (such as 'public').
+         */
+        kindModifiers: string;
+        /**
+         * Starting file location of symbol.
+         */
+        start: Location;
+        /**
+         * One past last character of symbol.
+         */
+        end: Location;
+        /**
+         * Type and kind of symbol.
+         */
+        displayString: string;
+        /**
+         * Documentation associated with symbol.
+         */
+        documentation: string;
+        /**
+         * JSDoc tags associated with symbol.
+         */
+        tags: JSDocTagInfo[];
+    }
+    /**
+     * Quickinfo response message.
+     */
+    interface QuickInfoResponse extends Response {
+        body?: QuickInfoResponseBody;
+    }
+    /**
+     * Arguments for format messages.
+     */
+    interface FormatRequestArgs extends FileLocationRequestArgs {
+        /**
+         * Last line of range for which to format text in file.
+         */
+        endLine: number;
+        /**
+         * Character offset on last line of range for which to format text in file.
+         */
+        endOffset: number;
+        /**
+         * Format options to be used.
+         */
+        options?: FormatCodeSettings;
+    }
+    /**
+     * Format request; value of command field is "format".  Return
+     * response giving zero or more edit instructions.  The edit
+     * instructions will be sorted in file order.  Applying the edit
+     * instructions in reverse to file will result in correctly
+     * reformatted text.
+     */
+    interface FormatRequest extends FileLocationRequest {
+        command: CommandTypes.Format;
+        arguments: FormatRequestArgs;
+    }
+    /**
+     * Object found in response messages defining an editing
+     * instruction for a span of text in source code.  The effect of
+     * this instruction is to replace the text starting at start and
+     * ending one character before end with newText. For an insertion,
+     * the text span is empty.  For a deletion, newText is empty.
+     */
+    interface CodeEdit {
+        /**
+         * First character of the text span to edit.
+         */
+        start: Location;
+        /**
+         * One character past last character of the text span to edit.
+         */
+        end: Location;
+        /**
+         * Replace the span defined above with this string (may be
+         * the empty string).
+         */
+        newText: string;
+    }
+    interface FileCodeEdits {
+        fileName: string;
+        textChanges: CodeEdit[];
+    }
+    interface CodeFixResponse extends Response {
+        /** The code actions that are available */
+        body?: CodeFixAction[];
+    }
+    interface CodeAction {
+        /** Description of the code action to display in the UI of the editor */
+        description: string;
+        /** Text changes to apply to each file as part of the code action */
+        changes: FileCodeEdits[];
+        /** A command is an opaque object that should be passed to `ApplyCodeActionCommandRequestArgs` without modification.  */
+        commands?: {}[];
+    }
+    interface CombinedCodeActions {
+        changes: readonly FileCodeEdits[];
+        commands?: readonly {}[];
+    }
+    interface CodeFixAction extends CodeAction {
+        /** Short name to identify the fix, for use by telemetry. */
+        fixName: string;
+        /**
+         * If present, one may call 'getCombinedCodeFix' with this fixId.
+         * This may be omitted to indicate that the code fix can't be applied in a group.
+         */
+        fixId?: {};
+        /** Should be present if and only if 'fixId' is. */
+        fixAllDescription?: string;
+    }
+    /**
+     * Format and format on key response message.
+     */
+    interface FormatResponse extends Response {
+        body?: CodeEdit[];
+    }
+    /**
+     * Arguments for format on key messages.
+     */
+    interface FormatOnKeyRequestArgs extends FileLocationRequestArgs {
+        /**
+         * Key pressed (';', '\n', or '}').
+         */
+        key: string;
+        options?: FormatCodeSettings;
+    }
+    /**
+     * Format on key request; value of command field is
+     * "formatonkey". Given file location and key typed (as string),
+     * return response giving zero or more edit instructions.  The
+     * edit instructions will be sorted in file order.  Applying the
+     * edit instructions in reverse to file will result in correctly
+     * reformatted text.
+     */
+    interface FormatOnKeyRequest extends FileLocationRequest {
+        command: CommandTypes.Formatonkey;
+        arguments: FormatOnKeyRequestArgs;
+    }
+    type CompletionsTriggerCharacter = "." | '"' | "'" | "`" | "/" | "@" | "<" | "#";
+    /**
+     * Arguments for completions messages.
+     */
+    interface CompletionsRequestArgs extends FileLocationRequestArgs {
+        /**
+         * Optional prefix to apply to possible completions.
+         */
+        prefix?: string;
+        /**
+         * Character that was responsible for triggering completion.
+         * Should be `undefined` if a user manually requested completion.
+         */
+        triggerCharacter?: CompletionsTriggerCharacter;
+        /**
+         * @deprecated Use UserPreferences.includeCompletionsForModuleExports
+         */
+        includeExternalModuleExports?: boolean;
+        /**
+         * @deprecated Use UserPreferences.includeCompletionsWithInsertText
+         */
+        includeInsertTextCompletions?: boolean;
+    }
+    /**
+     * Completions request; value of command field is "completions".
+     * Given a file location (file, line, col) and a prefix (which may
+     * be the empty string), return the possible completions that
+     * begin with prefix.
+     */
+    interface CompletionsRequest extends FileLocationRequest {
+        command: CommandTypes.Completions | CommandTypes.CompletionInfo;
+        arguments: CompletionsRequestArgs;
+    }
+    /**
+     * Arguments for completion details request.
+     */
+    interface CompletionDetailsRequestArgs extends FileLocationRequestArgs {
+        /**
+         * Names of one or more entries for which to obtain details.
+         */
+        entryNames: (string | CompletionEntryIdentifier)[];
+    }
+    interface CompletionEntryIdentifier {
+        name: string;
+        source?: string;
+    }
+    /**
+     * Completion entry details request; value of command field is
+     * "completionEntryDetails".  Given a file location (file, line,
+     * col) and an array of completion entry names return more
+     * detailed information for each completion entry.
+     */
+    interface CompletionDetailsRequest extends FileLocationRequest {
+        command: CommandTypes.CompletionDetails;
+        arguments: CompletionDetailsRequestArgs;
+    }
+    /**
+     * Part of a symbol description.
+     */
+    interface SymbolDisplayPart {
+        /**
+         * Text of an item describing the symbol.
+         */
+        text: string;
+        /**
+         * The symbol's kind (such as 'className' or 'parameterName' or plain 'text').
+         */
+        kind: string;
+    }
+    /**
+     * An item found in a completion response.
+     */
+    interface CompletionEntry {
+        /**
+         * The symbol's name.
+         */
+        name: string;
+        /**
+         * The symbol's kind (such as 'className' or 'parameterName').
+         */
+        kind: ScriptElementKind;
+        /**
+         * Optional modifiers for the kind (such as 'public').
+         */
+        kindModifiers?: string;
+        /**
+         * A string that is used for comparing completion items so that they can be ordered.  This
+         * is often the same as the name but may be different in certain circumstances.
+         */
+        sortText: string;
+        /**
+         * Text to insert instead of `name`.
+         * This is used to support bracketed completions; If `name` might be "a-b" but `insertText` would be `["a-b"]`,
+         * coupled with `replacementSpan` to replace a dotted access with a bracket access.
+         */
+        insertText?: string;
+        /**
+         * An optional span that indicates the text to be replaced by this completion item.
+         * If present, this span should be used instead of the default one.
+         * It will be set if the required span differs from the one generated by the default replacement behavior.
+         */
+        replacementSpan?: TextSpan;
+        /**
+         * Indicates whether commiting this completion entry will require additional code actions to be
+         * made to avoid errors. The CompletionEntryDetails will have these actions.
+         */
+        hasAction?: true;
+        /**
+         * Identifier (not necessarily human-readable) identifying where this completion came from.
+         */
+        source?: string;
+        /**
+         * If true, this completion should be highlighted as recommended. There will only be one of these.
+         * This will be set when we know the user should write an expression with a certain type and that type is an enum or constructable class.
+         * Then either that enum/class or a namespace containing it will be the recommended symbol.
+         */
+        isRecommended?: true;
+        /**
+         * If true, this completion was generated from traversing the name table of an unchecked JS file,
+         * and therefore may not be accurate.
+         */
+        isFromUncheckedFile?: true;
+    }
+    /**
+     * Additional completion entry details, available on demand
+     */
+    interface CompletionEntryDetails {
+        /**
+         * The symbol's name.
+         */
+        name: string;
+        /**
+         * The symbol's kind (such as 'className' or 'parameterName').
+         */
+        kind: ScriptElementKind;
+        /**
+         * Optional modifiers for the kind (such as 'public').
+         */
+        kindModifiers: string;
+        /**
+         * Display parts of the symbol (similar to quick info).
+         */
+        displayParts: SymbolDisplayPart[];
+        /**
+         * Documentation strings for the symbol.
+         */
+        documentation?: SymbolDisplayPart[];
+        /**
+         * JSDoc tags for the symbol.
+         */
+        tags?: JSDocTagInfo[];
+        /**
+         * The associated code actions for this entry
+         */
+        codeActions?: CodeAction[];
+        /**
+         * Human-readable description of the `source` from the CompletionEntry.
+         */
+        source?: SymbolDisplayPart[];
+    }
+    /** @deprecated Prefer CompletionInfoResponse, which supports several top-level fields in addition to the array of entries. */
+    interface CompletionsResponse extends Response {
+        body?: CompletionEntry[];
+    }
+    interface CompletionInfoResponse extends Response {
+        body?: CompletionInfo;
+    }
+    interface CompletionInfo {
+        readonly isGlobalCompletion: boolean;
+        readonly isMemberCompletion: boolean;
+        readonly isNewIdentifierLocation: boolean;
+        readonly entries: readonly CompletionEntry[];
+    }
+    interface CompletionDetailsResponse extends Response {
+        body?: CompletionEntryDetails[];
+    }
+    /**
+     * Signature help information for a single parameter
+     */
+    interface SignatureHelpParameter {
+        /**
+         * The parameter's name
+         */
+        name: string;
+        /**
+         * Documentation of the parameter.
+         */
+        documentation: SymbolDisplayPart[];
+        /**
+         * Display parts of the parameter.
+         */
+        displayParts: SymbolDisplayPart[];
+        /**
+         * Whether the parameter is optional or not.
+         */
+        isOptional: boolean;
+    }
+    /**
+     * Represents a single signature to show in signature help.
+     */
+    interface SignatureHelpItem {
+        /**
+         * Whether the signature accepts a variable number of arguments.
+         */
+        isVariadic: boolean;
+        /**
+         * The prefix display parts.
+         */
+        prefixDisplayParts: SymbolDisplayPart[];
+        /**
+         * The suffix display parts.
+         */
+        suffixDisplayParts: SymbolDisplayPart[];
+        /**
+         * The separator display parts.
+         */
+        separatorDisplayParts: SymbolDisplayPart[];
+        /**
+         * The signature helps items for the parameters.
+         */
+        parameters: SignatureHelpParameter[];
+        /**
+         * The signature's documentation
+         */
+        documentation: SymbolDisplayPart[];
+        /**
+         * The signature's JSDoc tags
+         */
+        tags: JSDocTagInfo[];
+    }
+    /**
+     * Signature help items found in the response of a signature help request.
+     */
+    interface SignatureHelpItems {
+        /**
+         * The signature help items.
+         */
+        items: SignatureHelpItem[];
+        /**
+         * The span for which signature help should appear on a signature
+         */
+        applicableSpan: TextSpan;
+        /**
+         * The item selected in the set of available help items.
+         */
+        selectedItemIndex: number;
+        /**
+         * The argument selected in the set of parameters.
+         */
+        argumentIndex: number;
+        /**
+         * The argument count
+         */
+        argumentCount: number;
+    }
+    type SignatureHelpTriggerCharacter = "," | "(" | "<";
+    type SignatureHelpRetriggerCharacter = SignatureHelpTriggerCharacter | ")";
+    /**
+     * Arguments of a signature help request.
+     */
+    interface SignatureHelpRequestArgs extends FileLocationRequestArgs {
+        /**
+         * Reason why signature help was invoked.
+         * See each individual possible
+         */
+        triggerReason?: SignatureHelpTriggerReason;
+    }
+    type SignatureHelpTriggerReason = SignatureHelpInvokedReason | SignatureHelpCharacterTypedReason | SignatureHelpRetriggeredReason;
+    /**
+     * Signals that the user manually requested signature help.
+     * The language service will unconditionally attempt to provide a result.
+     */
+    interface SignatureHelpInvokedReason {
+        kind: "invoked";
+        triggerCharacter?: undefined;
+    }
+    /**
+     * Signals that the signature help request came from a user typing a character.
+     * Depending on the character and the syntactic context, the request may or may not be served a result.
+     */
+    interface SignatureHelpCharacterTypedReason {
+        kind: "characterTyped";
+        /**
+         * Character that was responsible for triggering signature help.
+         */
+        triggerCharacter: SignatureHelpTriggerCharacter;
+    }
+    /**
+     * Signals that this signature help request came from typing a character or moving the cursor.
+     * This should only occur if a signature help session was already active and the editor needs to see if it should adjust.
+     * The language service will unconditionally attempt to provide a result.
+     * `triggerCharacter` can be `undefined` for a retrigger caused by a cursor move.
+     */
+    interface SignatureHelpRetriggeredReason {
+        kind: "retrigger";
+        /**
+         * Character that was responsible for triggering signature help.
+         */
+        triggerCharacter?: SignatureHelpRetriggerCharacter;
+    }
+    /**
+     * Signature help request; value of command field is "signatureHelp".
+     * Given a file location (file, line, col), return the signature
+     * help.
+     */
+    interface SignatureHelpRequest extends FileLocationRequest {
+        command: CommandTypes.SignatureHelp;
+        arguments: SignatureHelpRequestArgs;
+    }
+    /**
+     * Response object for a SignatureHelpRequest.
+     */
+    interface SignatureHelpResponse extends Response {
+        body?: SignatureHelpItems;
+    }
+    /**
+     * Synchronous request for semantic diagnostics of one file.
+     */
+    interface SemanticDiagnosticsSyncRequest extends FileRequest {
+        command: CommandTypes.SemanticDiagnosticsSync;
+        arguments: SemanticDiagnosticsSyncRequestArgs;
+    }
+    interface SemanticDiagnosticsSyncRequestArgs extends FileRequestArgs {
+        includeLinePosition?: boolean;
+    }
+    /**
+     * Response object for synchronous sematic diagnostics request.
+     */
+    interface SemanticDiagnosticsSyncResponse extends Response {
+        body?: Diagnostic[] | DiagnosticWithLinePosition[];
+    }
+    interface SuggestionDiagnosticsSyncRequest extends FileRequest {
+        command: CommandTypes.SuggestionDiagnosticsSync;
+        arguments: SuggestionDiagnosticsSyncRequestArgs;
+    }
+    type SuggestionDiagnosticsSyncRequestArgs = SemanticDiagnosticsSyncRequestArgs;
+    type SuggestionDiagnosticsSyncResponse = SemanticDiagnosticsSyncResponse;
+    /**
+     * Synchronous request for syntactic diagnostics of one file.
+     */
+    interface SyntacticDiagnosticsSyncRequest extends FileRequest {
+        command: CommandTypes.SyntacticDiagnosticsSync;
+        arguments: SyntacticDiagnosticsSyncRequestArgs;
+    }
+    interface SyntacticDiagnosticsSyncRequestArgs extends FileRequestArgs {
+        includeLinePosition?: boolean;
+    }
+    /**
+     * Response object for synchronous syntactic diagnostics request.
+     */
+    interface SyntacticDiagnosticsSyncResponse extends Response {
+        body?: Diagnostic[] | DiagnosticWithLinePosition[];
+    }
+    /**
+     * Arguments for GeterrForProject request.
+     */
+    interface GeterrForProjectRequestArgs {
+        /**
+         * the file requesting project error list
+         */
+        file: string;
+        /**
+         * Delay in milliseconds to wait before starting to compute
+         * errors for the files in the file list
+         */
+        delay: number;
+    }
+    /**
+     * GeterrForProjectRequest request; value of command field is
+     * "geterrForProject". It works similarly with 'Geterr', only
+     * it request for every file in this project.
+     */
+    interface GeterrForProjectRequest extends Request {
+        command: CommandTypes.GeterrForProject;
+        arguments: GeterrForProjectRequestArgs;
+    }
+    /**
+     * Arguments for geterr messages.
+     */
+    interface GeterrRequestArgs {
+        /**
+         * List of file names for which to compute compiler errors.
+         * The files will be checked in list order.
+         */
+        files: string[];
+        /**
+         * Delay in milliseconds to wait before starting to compute
+         * errors for the files in the file list
+         */
+        delay: number;
+    }
+    /**
+     * Geterr request; value of command field is "geterr". Wait for
+     * delay milliseconds and then, if during the wait no change or
+     * reload messages have arrived for the first file in the files
+     * list, get the syntactic errors for the file, field requests,
+     * and then get the semantic errors for the file.  Repeat with a
+     * smaller delay for each subsequent file on the files list.  Best
+     * practice for an editor is to send a file list containing each
+     * file that is currently visible, in most-recently-used order.
+     */
+    interface GeterrRequest extends Request {
+        command: CommandTypes.Geterr;
+        arguments: GeterrRequestArgs;
+    }
+    type RequestCompletedEventName = "requestCompleted";
+    /**
+     * Event that is sent when server have finished processing request with specified id.
+     */
+    interface RequestCompletedEvent extends Event {
+        event: RequestCompletedEventName;
+        body: RequestCompletedEventBody;
+    }
+    interface RequestCompletedEventBody {
+        request_seq: number;
+    }
+    /**
+     * Item of diagnostic information found in a DiagnosticEvent message.
+     */
+    interface Diagnostic {
+        /**
+         * Starting file location at which text applies.
+         */
+        start: Location;
+        /**
+         * The last file location at which the text applies.
+         */
+        end: Location;
+        /**
+         * Text of diagnostic message.
+         */
+        text: string;
+        /**
+         * The category of the diagnostic message, e.g. "error", "warning", or "suggestion".
+         */
+        category: string;
+        reportsUnnecessary?: {};
+        /**
+         * Any related spans the diagnostic may have, such as other locations relevant to an error, such as declarartion sites
+         */
+        relatedInformation?: DiagnosticRelatedInformation[];
+        /**
+         * The error code of the diagnostic message.
+         */
+        code?: number;
+        /**
+         * The name of the plugin reporting the message.
+         */
+        source?: string;
+    }
+    interface DiagnosticWithFileName extends Diagnostic {
+        /**
+         * Name of the file the diagnostic is in
+         */
+        fileName: string;
+    }
+    /**
+     * Represents additional spans returned with a diagnostic which are relevant to it
+     */
+    interface DiagnosticRelatedInformation {
+        /**
+         * The category of the related information message, e.g. "error", "warning", or "suggestion".
+         */
+        category: string;
+        /**
+         * The code used ot identify the related information
+         */
+        code: number;
+        /**
+         * Text of related or additional information.
+         */
+        message: string;
+        /**
+         * Associated location
+         */
+        span?: FileSpan;
+    }
+    interface DiagnosticEventBody {
+        /**
+         * The file for which diagnostic information is reported.
+         */
+        file: string;
+        /**
+         * An array of diagnostic information items.
+         */
+        diagnostics: Diagnostic[];
+    }
+    type DiagnosticEventKind = "semanticDiag" | "syntaxDiag" | "suggestionDiag";
+    /**
+     * Event message for DiagnosticEventKind event types.
+     * These events provide syntactic and semantic errors for a file.
+     */
+    interface DiagnosticEvent extends Event {
+        body?: DiagnosticEventBody;
+        event: DiagnosticEventKind;
+    }
+    interface ConfigFileDiagnosticEventBody {
+        /**
+         * The file which trigged the searching and error-checking of the config file
+         */
+        triggerFile: string;
+        /**
+         * The name of the found config file.
+         */
+        configFile: string;
+        /**
+         * An arry of diagnostic information items for the found config file.
+         */
+        diagnostics: DiagnosticWithFileName[];
+    }
+    /**
+     * Event message for "configFileDiag" event type.
+     * This event provides errors for a found config file.
+     */
+    interface ConfigFileDiagnosticEvent extends Event {
+        body?: ConfigFileDiagnosticEventBody;
+        event: "configFileDiag";
+    }
+    type ProjectLanguageServiceStateEventName = "projectLanguageServiceState";
+    interface ProjectLanguageServiceStateEvent extends Event {
+        event: ProjectLanguageServiceStateEventName;
+        body?: ProjectLanguageServiceStateEventBody;
+    }
+    interface ProjectLanguageServiceStateEventBody {
+        /**
+         * Project name that has changes in the state of language service.
+         * For configured projects this will be the config file path.
+         * For external projects this will be the name of the projects specified when project was open.
+         * For inferred projects this event is not raised.
+         */
+        projectName: string;
+        /**
+         * True if language service state switched from disabled to enabled
+         * and false otherwise.
+         */
+        languageServiceEnabled: boolean;
+    }
+    type ProjectsUpdatedInBackgroundEventName = "projectsUpdatedInBackground";
+    interface ProjectsUpdatedInBackgroundEvent extends Event {
+        event: ProjectsUpdatedInBackgroundEventName;
+        body: ProjectsUpdatedInBackgroundEventBody;
+    }
+    interface ProjectsUpdatedInBackgroundEventBody {
+        /**
+         * Current set of open files
+         */
+        openFiles: string[];
+    }
+    type ProjectLoadingStartEventName = "projectLoadingStart";
+    interface ProjectLoadingStartEvent extends Event {
+        event: ProjectLoadingStartEventName;
+        body: ProjectLoadingStartEventBody;
+    }
+    interface ProjectLoadingStartEventBody {
+        /** name of the project */
+        projectName: string;
+        /** reason for loading */
+        reason: string;
+    }
+    type ProjectLoadingFinishEventName = "projectLoadingFinish";
+    interface ProjectLoadingFinishEvent extends Event {
+        event: ProjectLoadingFinishEventName;
+        body: ProjectLoadingFinishEventBody;
+    }
+    interface ProjectLoadingFinishEventBody {
+        /** name of the project */
+        projectName: string;
+    }
+    type SurveyReadyEventName = "surveyReady";
+    interface SurveyReadyEvent extends Event {
+        event: SurveyReadyEventName;
+        body: SurveyReadyEventBody;
+    }
+    interface SurveyReadyEventBody {
+        /** Name of the survey. This is an internal machine- and programmer-friendly name */
+        surveyId: string;
+    }
+    type LargeFileReferencedEventName = "largeFileReferenced";
+    interface LargeFileReferencedEvent extends Event {
+        event: LargeFileReferencedEventName;
+        body: LargeFileReferencedEventBody;
+    }
+    interface LargeFileReferencedEventBody {
+        /**
+         * name of the large file being loaded
+         */
+        file: string;
+        /**
+         * size of the file
+         */
+        fileSize: number;
+        /**
+         * max file size allowed on the server
+         */
+        maxFileSize: number;
+    }
+    /**
+     * Arguments for reload request.
+     */
+    interface ReloadRequestArgs extends FileRequestArgs {
+        /**
+         * Name of temporary file from which to reload file
+         * contents. May be same as file.
+         */
+        tmpfile: string;
+    }
+    /**
+     * Reload request message; value of command field is "reload".
+     * Reload contents of file with name given by the 'file' argument
+     * from temporary file with name given by the 'tmpfile' argument.
+     * The two names can be identical.
+     */
+    interface ReloadRequest extends FileRequest {
+        command: CommandTypes.Reload;
+        arguments: ReloadRequestArgs;
+    }
+    /**
+     * Response to "reload" request. This is just an acknowledgement, so
+     * no body field is required.
+     */
+    interface ReloadResponse extends Response {
+    }
+    /**
+     * Arguments for saveto request.
+     */
+    interface SavetoRequestArgs extends FileRequestArgs {
+        /**
+         * Name of temporary file into which to save server's view of
+         * file contents.
+         */
+        tmpfile: string;
+    }
+    /**
+     * Saveto request message; value of command field is "saveto".
+     * For debugging purposes, save to a temporaryfile (named by
+     * argument 'tmpfile') the contents of file named by argument
+     * 'file'.  The server does not currently send a response to a
+     * "saveto" request.
+     */
+    interface SavetoRequest extends FileRequest {
+        command: CommandTypes.Saveto;
+        arguments: SavetoRequestArgs;
+    }
+    /**
+     * Arguments for navto request message.
+     */
+    interface NavtoRequestArgs {
+        /**
+         * Search term to navigate to from current location; term can
+         * be '.*' or an identifier prefix.
+         */
+        searchValue: string;
+        /**
+         *  Optional limit on the number of items to return.
+         */
+        maxResultCount?: number;
+        /**
+         * The file for the request (absolute pathname required).
+         */
+        file?: string;
+        /**
+         * Optional flag to indicate we want results for just the current file
+         * or the entire project.
+         */
+        currentFileOnly?: boolean;
+        projectFileName?: string;
+    }
+    /**
+     * Navto request message; value of command field is "navto".
+     * Return list of objects giving file locations and symbols that
+     * match the search term given in argument 'searchTerm'.  The
+     * context for the search is given by the named file.
+     */
+    interface NavtoRequest extends Request {
+        command: CommandTypes.Navto;
+        arguments: NavtoRequestArgs;
+    }
+    /**
+     * An item found in a navto response.
+     */
+    interface NavtoItem extends FileSpan {
+        /**
+         * The symbol's name.
+         */
+        name: string;
+        /**
+         * The symbol's kind (such as 'className' or 'parameterName').
+         */
+        kind: ScriptElementKind;
+        /**
+         * exact, substring, or prefix.
+         */
+        matchKind: string;
+        /**
+         * If this was a case sensitive or insensitive match.
+         */
+        isCaseSensitive: boolean;
+        /**
+         * Optional modifiers for the kind (such as 'public').
+         */
+        kindModifiers?: string;
+        /**
+         * Name of symbol's container symbol (if any); for example,
+         * the class name if symbol is a class member.
+         */
+        containerName?: string;
+        /**
+         * Kind of symbol's container symbol (if any).
+         */
+        containerKind?: ScriptElementKind;
+    }
+    /**
+     * Navto response message. Body is an array of navto items.  Each
+     * item gives a symbol that matched the search term.
+     */
+    interface NavtoResponse extends Response {
+        body?: NavtoItem[];
+    }
+    /**
+     * Arguments for change request message.
+     */
+    interface ChangeRequestArgs extends FormatRequestArgs {
+        /**
+         * Optional string to insert at location (file, line, offset).
+         */
+        insertString?: string;
+    }
+    /**
+     * Change request message; value of command field is "change".
+     * Update the server's view of the file named by argument 'file'.
+     * Server does not currently send a response to a change request.
+     */
+    interface ChangeRequest extends FileLocationRequest {
+        command: CommandTypes.Change;
+        arguments: ChangeRequestArgs;
+    }
+    /**
+     * Response to "brace" request.
+     */
+    interface BraceResponse extends Response {
+        body?: TextSpan[];
+    }
+    /**
+     * Brace matching request; value of command field is "brace".
+     * Return response giving the file locations of matching braces
+     * found in file at location line, offset.
+     */
+    interface BraceRequest extends FileLocationRequest {
+        command: CommandTypes.Brace;
+    }
+    /**
+     * NavBar items request; value of command field is "navbar".
+     * Return response giving the list of navigation bar entries
+     * extracted from the requested file.
+     */
+    interface NavBarRequest extends FileRequest {
+        command: CommandTypes.NavBar;
+    }
+    /**
+     * NavTree request; value of command field is "navtree".
+     * Return response giving the navigation tree of the requested file.
+     */
+    interface NavTreeRequest extends FileRequest {
+        command: CommandTypes.NavTree;
+    }
+    interface NavigationBarItem {
+        /**
+         * The item's display text.
+         */
+        text: string;
+        /**
+         * The symbol's kind (such as 'className' or 'parameterName').
+         */
+        kind: ScriptElementKind;
+        /**
+         * Optional modifiers for the kind (such as 'public').
+         */
+        kindModifiers?: string;
+        /**
+         * The definition locations of the item.
+         */
+        spans: TextSpan[];
+        /**
+         * Optional children.
+         */
+        childItems?: NavigationBarItem[];
+        /**
+         * Number of levels deep this item should appear.
+         */
+        indent: number;
+    }
+    /** protocol.NavigationTree is identical to ts.NavigationTree, except using protocol.TextSpan instead of ts.TextSpan */
+    interface NavigationTree {
+        text: string;
+        kind: ScriptElementKind;
+        kindModifiers: string;
+        spans: TextSpan[];
+        nameSpan: TextSpan | undefined;
+        childItems?: NavigationTree[];
+    }
+    type TelemetryEventName = "telemetry";
+    interface TelemetryEvent extends Event {
+        event: TelemetryEventName;
+        body: TelemetryEventBody;
+    }
+    interface TelemetryEventBody {
+        telemetryEventName: string;
+        payload: any;
+    }
+    type TypesInstallerInitializationFailedEventName = "typesInstallerInitializationFailed";
+    interface TypesInstallerInitializationFailedEvent extends Event {
+        event: TypesInstallerInitializationFailedEventName;
+        body: TypesInstallerInitializationFailedEventBody;
+    }
+    interface TypesInstallerInitializationFailedEventBody {
+        message: string;
+    }
+    type TypingsInstalledTelemetryEventName = "typingsInstalled";
+    interface TypingsInstalledTelemetryEventBody extends TelemetryEventBody {
+        telemetryEventName: TypingsInstalledTelemetryEventName;
+        payload: TypingsInstalledTelemetryEventPayload;
+    }
+    interface TypingsInstalledTelemetryEventPayload {
+        /**
+         * Comma separated list of installed typing packages
+         */
+        installedPackages: string;
+        /**
+         * true if install request succeeded, otherwise - false
+         */
+        installSuccess: boolean;
+        /**
+         * version of typings installer
+         */
+        typingsInstallerVersion: string;
+    }
+    type BeginInstallTypesEventName = "beginInstallTypes";
+    type EndInstallTypesEventName = "endInstallTypes";
+    interface BeginInstallTypesEvent extends Event {
+        event: BeginInstallTypesEventName;
+        body: BeginInstallTypesEventBody;
+    }
+    interface EndInstallTypesEvent extends Event {
+        event: EndInstallTypesEventName;
+        body: EndInstallTypesEventBody;
+    }
+    interface InstallTypesEventBody {
+        /**
+         * correlation id to match begin and end events
+         */
+        eventId: number;
+        /**
+         * list of packages to install
+         */
+        packages: readonly string[];
+    }
+    interface BeginInstallTypesEventBody extends InstallTypesEventBody {
+    }
+    interface EndInstallTypesEventBody extends InstallTypesEventBody {
+        /**
+         * true if installation succeeded, otherwise false
+         */
+        success: boolean;
+    }
+    interface NavBarResponse extends Response {
+        body?: NavigationBarItem[];
+    }
+    interface NavTreeResponse extends Response {
+        body?: NavigationTree;
+    }
+    interface CallHierarchyItem {
+        name: string;
+        kind: ScriptElementKind;
+        file: string;
+        span: TextSpan;
+        selectionSpan: TextSpan;
+    }
+    interface CallHierarchyIncomingCall {
+        from: CallHierarchyItem;
+        fromSpans: TextSpan[];
+    }
+    interface CallHierarchyOutgoingCall {
+        to: CallHierarchyItem;
+        fromSpans: TextSpan[];
+    }
+    interface PrepareCallHierarchyRequest extends FileLocationRequest {
+        command: CommandTypes.PrepareCallHierarchy;
+    }
+    interface PrepareCallHierarchyResponse extends Response {
+        readonly body: CallHierarchyItem | CallHierarchyItem[];
+    }
+    interface ProvideCallHierarchyIncomingCallsRequest extends FileLocationRequest {
+        command: CommandTypes.ProvideCallHierarchyIncomingCalls;
+    }
+    interface ProvideCallHierarchyIncomingCallsResponse extends Response {
+        readonly body: CallHierarchyIncomingCall[];
+    }
+    interface ProvideCallHierarchyOutgoingCallsRequest extends FileLocationRequest {
+        command: CommandTypes.ProvideCallHierarchyOutgoingCalls;
+    }
+    interface ProvideCallHierarchyOutgoingCallsResponse extends Response {
+        readonly body: CallHierarchyOutgoingCall[];
+    }
+    enum IndentStyle {
+        None = "None",
+        Block = "Block",
+        Smart = "Smart"
+    }
+    enum SemicolonPreference {
+        Ignore = "ignore",
+        Insert = "insert",
+        Remove = "remove"
+    }
+    interface EditorSettings {
+        baseIndentSize?: number;
+        indentSize?: number;
+        tabSize?: number;
+        newLineCharacter?: string;
+        convertTabsToSpaces?: boolean;
+        indentStyle?: IndentStyle | ts.IndentStyle;
+        trimTrailingWhitespace?: boolean;
+    }
+    interface FormatCodeSettings extends EditorSettings {
+        insertSpaceAfterCommaDelimiter?: boolean;
+        insertSpaceAfterSemicolonInForStatements?: boolean;
+        insertSpaceBeforeAndAfterBinaryOperators?: boolean;
+        insertSpaceAfterConstructor?: boolean;
+        insertSpaceAfterKeywordsInControlFlowStatements?: boolean;
+        insertSpaceAfterFunctionKeywordForAnonymousFunctions?: boolean;
+        insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis?: boolean;
+        insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets?: boolean;
+        insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces?: boolean;
+        insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces?: boolean;
+        insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces?: boolean;
+        insertSpaceAfterTypeAssertion?: boolean;
+        insertSpaceBeforeFunctionParenthesis?: boolean;
+        placeOpenBraceOnNewLineForFunctions?: boolean;
+        placeOpenBraceOnNewLineForControlBlocks?: boolean;
+        insertSpaceBeforeTypeAnnotation?: boolean;
+        semicolons?: SemicolonPreference;
+    }
+    interface UserPreferences {
+        readonly disableSuggestions?: boolean;
+        readonly quotePreference?: "auto" | "double" | "single";
+        /**
+         * If enabled, TypeScript will search through all external modules' exports and add them to the completions list.
+         * This affects lone identifier completions but not completions on the right hand side of `obj.`.
+         */
+        readonly includeCompletionsForModuleExports?: boolean;
+        /**
+         * If enabled, the completion list will include completions with invalid identifier names.
+         * For those entries, The `insertText` and `replacementSpan` properties will be set to change from `.x` property access to `["x"]`.
+         */
+        readonly includeCompletionsWithInsertText?: boolean;
+        /**
+         * Unless this option is `false`, or `includeCompletionsWithInsertText` is not enabled,
+         * member completion lists triggered with `.` will include entries on potentially-null and potentially-undefined
+         * values, with insertion text to replace preceding `.` tokens with `?.`.
+         */
+        readonly includeAutomaticOptionalChainCompletions?: boolean;
+        readonly importModuleSpecifierPreference?: "auto" | "relative" | "non-relative";
+        /** Determines whether we import `foo/index.ts` as "foo", "foo/index", or "foo/index.js" */
+        readonly importModuleSpecifierEnding?: "auto" | "minimal" | "index" | "js";
+        readonly allowTextChangesInNewFiles?: boolean;
+        readonly lazyConfiguredProjectsFromExternalProject?: boolean;
+        readonly providePrefixAndSuffixTextForRename?: boolean;
+        readonly allowRenameOfImportPath?: boolean;
+    }
+    interface CompilerOptions {
+        allowJs?: boolean;
+        allowSyntheticDefaultImports?: boolean;
+        allowUnreachableCode?: boolean;
+        allowUnusedLabels?: boolean;
+        alwaysStrict?: boolean;
+        baseUrl?: string;
+        charset?: string;
+        checkJs?: boolean;
+        declaration?: boolean;
+        declarationDir?: string;
+        disableSizeLimit?: boolean;
+        downlevelIteration?: boolean;
+        emitBOM?: boolean;
+        emitDecoratorMetadata?: boolean;
+        experimentalDecorators?: boolean;
+        forceConsistentCasingInFileNames?: boolean;
+        importHelpers?: boolean;
+        inlineSourceMap?: boolean;
+        inlineSources?: boolean;
+        isolatedModules?: boolean;
+        jsx?: JsxEmit | ts.JsxEmit;
+        lib?: string[];
+        locale?: string;
+        mapRoot?: string;
+        maxNodeModuleJsDepth?: number;
+        module?: ModuleKind | ts.ModuleKind;
+        moduleResolution?: ModuleResolutionKind | ts.ModuleResolutionKind;
+        newLine?: NewLineKind | ts.NewLineKind;
+        noEmit?: boolean;
+        noEmitHelpers?: boolean;
+        noEmitOnError?: boolean;
+        noErrorTruncation?: boolean;
+        noFallthroughCasesInSwitch?: boolean;
+        noImplicitAny?: boolean;
+        noImplicitReturns?: boolean;
+        noImplicitThis?: boolean;
+        noUnusedLocals?: boolean;
+        noUnusedParameters?: boolean;
+        noImplicitUseStrict?: boolean;
+        noLib?: boolean;
+        noResolve?: boolean;
+        out?: string;
+        outDir?: string;
+        outFile?: string;
+        paths?: MapLike<string[]>;
+        plugins?: PluginImport[];
+        preserveConstEnums?: boolean;
+        preserveSymlinks?: boolean;
+        project?: string;
+        reactNamespace?: string;
+        removeComments?: boolean;
+        references?: ProjectReference[];
+        rootDir?: string;
+        rootDirs?: string[];
+        skipLibCheck?: boolean;
+        skipDefaultLibCheck?: boolean;
+        sourceMap?: boolean;
+        sourceRoot?: string;
+        strict?: boolean;
+        strictNullChecks?: boolean;
+        suppressExcessPropertyErrors?: boolean;
+        suppressImplicitAnyIndexErrors?: boolean;
+        useDefineForClassFields?: boolean;
+        target?: ScriptTarget | ts.ScriptTarget;
+        traceResolution?: boolean;
+        resolveJsonModule?: boolean;
+        types?: string[];
+        /** Paths used to used to compute primary types search locations */
+        typeRoots?: string[];
+        [option: string]: CompilerOptionsValue | undefined;
+    }
+    enum JsxEmit {
+        None = "None",
+        Preserve = "Preserve",
+        ReactNative = "ReactNative",
+        React = "React"
+    }
+    enum ModuleKind {
+        None = "None",
+        CommonJS = "CommonJS",
+        AMD = "AMD",
+        UMD = "UMD",
+        System = "System",
+        ES6 = "ES6",
+        ES2015 = "ES2015",
+        ESNext = "ESNext"
+    }
+    enum ModuleResolutionKind {
+        Classic = "Classic",
+        Node = "Node"
+    }
+    enum NewLineKind {
+        Crlf = "Crlf",
+        Lf = "Lf"
+    }
+    enum ScriptTarget {
+        ES3 = "ES3",
+        ES5 = "ES5",
+        ES6 = "ES6",
+        ES2015 = "ES2015",
+        ES2016 = "ES2016",
+        ES2017 = "ES2017",
+        ES2018 = "ES2018",
+        ES2019 = "ES2019",
+        ES2020 = "ES2020",
+        ESNext = "ESNext"
+    }
+}
+declare namespace ts.server {
+    interface ScriptInfoVersion {
+        svc: number;
+        text: number;
+    }
+    class ScriptInfo {
+        private readonly host;
+        readonly fileName: NormalizedPath;
+        readonly scriptKind: ScriptKind;
+        readonly hasMixedContent: boolean;
+        readonly path: Path;
+        /**
+         * All projects that include this file
+         */
+        readonly containingProjects: Project[];
+        private formatSettings;
+        private preferences;
+        private textStorage;
+        constructor(host: ServerHost, fileName: NormalizedPath, scriptKind: ScriptKind, hasMixedContent: boolean, path: Path, initialVersion?: ScriptInfoVersion);
+        isScriptOpen(): boolean;
+        open(newText: string): void;
+        close(fileExists?: boolean): void;
+        getSnapshot(): IScriptSnapshot;
+        private ensureRealPath;
+        getFormatCodeSettings(): FormatCodeSettings | undefined;
+        getPreferences(): protocol.UserPreferences | undefined;
+        attachToProject(project: Project): boolean;
+        isAttached(project: Project): boolean;
+        detachFromProject(project: Project): void;
+        detachAllProjects(): void;
+        getDefaultProject(): Project;
+        registerFileUpdate(): void;
+        setOptions(formatSettings: FormatCodeSettings, preferences: protocol.UserPreferences | undefined): void;
+        getLatestVersion(): string;
+        saveTo(fileName: string): void;
+        reloadFromFile(tempFileName?: NormalizedPath): boolean;
+        editContent(start: number, end: number, newText: string): void;
+        markContainingProjectsAsDirty(): void;
+        isOrphan(): boolean;
+        /**
+         *  @param line 1 based index
+         */
+        lineToTextSpan(line: number): TextSpan;
+        /**
+         * @param line 1 based index
+         * @param offset 1 based index
+         */
+        lineOffsetToPosition(line: number, offset: number): number;
+        positionToLineOffset(position: number): protocol.Location;
+        isJavaScript(): boolean;
+    }
+}
+declare namespace ts.server {
+    interface InstallPackageOptionsWithProject extends InstallPackageOptions {
+        projectName: string;
+        projectRootPath: Path;
+    }
+    interface ITypingsInstaller {
+        isKnownTypesPackageName(name: string): boolean;
+        installPackage(options: InstallPackageOptionsWithProject): Promise<ApplyCodeActionCommandResult>;
+        enqueueInstallTypingsRequest(p: Project, typeAcquisition: TypeAcquisition, unresolvedImports: SortedReadonlyArray<string> | undefined): void;
+        attach(projectService: ProjectService): void;
+        onProjectClosed(p: Project): void;
+        readonly globalTypingsCacheLocation: string | undefined;
+    }
+    const nullTypingsInstaller: ITypingsInstaller;
+}
+declare namespace ts.server {
+    enum ProjectKind {
+        Inferred = 0,
+        Configured = 1,
+        External = 2
+    }
+    function allRootFilesAreJsOrDts(project: Project): boolean;
+    function allFilesAreJsOrDts(project: Project): boolean;
+    interface PluginCreateInfo {
+        project: Project;
+        languageService: LanguageService;
+        languageServiceHost: LanguageServiceHost;
+        serverHost: ServerHost;
+        config: any;
+    }
+    interface PluginModule {
+        create(createInfo: PluginCreateInfo): LanguageService;
+        getExternalFiles?(proj: Project): string[];
+        onConfigurationChanged?(config: any): void;
+    }
+    interface PluginModuleWithName {
+        name: string;
+        module: PluginModule;
+    }
+    type PluginModuleFactory = (mod: {
+        typescript: typeof ts;
+    }) => PluginModule;
+    abstract class Project implements LanguageServiceHost, ModuleResolutionHost {
+        readonly projectName: string;
+        readonly projectKind: ProjectKind;
+        readonly projectService: ProjectService;
+        private documentRegistry;
+        private compilerOptions;
+        compileOnSaveEnabled: boolean;
+        protected watchOptions: WatchOptions | undefined;
+        private rootFiles;
+        private rootFilesMap;
+        private program;
+        private externalFiles;
+        private missingFilesMap;
+        private generatedFilesMap;
+        private plugins;
+        private lastFileExceededProgramSize;
+        protected languageService: LanguageService;
+        languageServiceEnabled: boolean;
+        readonly trace?: (s: string) => void;
+        readonly realpath?: (path: string) => string;
+        private builderState;
+        /**
+         * Set of files names that were updated since the last call to getChangesSinceVersion.
+         */
+        private updatedFileNames;
+        /**
+         * Set of files that was returned from the last call to getChangesSinceVersion.
+         */
+        private lastReportedFileNames;
+        /**
+         * Last version that was reported.
+         */
+        private lastReportedVersion;
+        /**
+         * Current project's program version. (incremented everytime new program is created that is not complete reuse from the old one)
+         * This property is changed in 'updateGraph' based on the set of files in program
+         */
+        private projectProgramVersion;
+        /**
+         * Current version of the project state. It is changed when:
+         * - new root file was added/removed
+         * - edit happen in some file that is currently included in the project.
+         * This property is different from projectStructureVersion since in most cases edits don't affect set of files in the project
+         */
+        private projectStateVersion;
+        protected isInitialLoadPending: () => boolean;
+        private readonly cancellationToken;
+        isNonTsProject(): boolean;
+        isJsOnlyProject(): boolean;
+        static resolveModule(moduleName: string, initialDir: string, host: ServerHost, log: (message: string) => void, logErrors?: (message: string) => void): {} | undefined;
+        isKnownTypesPackageName(name: string): boolean;
+        installPackage(options: InstallPackageOptions): Promise<ApplyCodeActionCommandResult>;
+        private get typingsCache();
+        getCompilationSettings(): CompilerOptions;
+        getCompilerOptions(): CompilerOptions;
+        getNewLine(): string;
+        getProjectVersion(): string;
+        getProjectReferences(): readonly ProjectReference[] | undefined;
+        getScriptFileNames(): string[];
+        private getOrCreateScriptInfoAndAttachToProject;
+        getScriptKind(fileName: string): ScriptKind;
+        getScriptVersion(filename: string): string;
+        getScriptSnapshot(filename: string): IScriptSnapshot | undefined;
+        getCancellationToken(): HostCancellationToken;
+        getCurrentDirectory(): string;
+        getDefaultLibFileName(): string;
+        useCaseSensitiveFileNames(): boolean;
+        readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[];
+        readFile(fileName: string): string | undefined;
+        writeFile(fileName: string, content: string): void;
+        fileExists(file: string): boolean;
+        resolveModuleNames(moduleNames: string[], containingFile: string, reusedNames?: string[], redirectedReference?: ResolvedProjectReference): (ResolvedModuleFull | undefined)[];
+        getResolvedModuleWithFailedLookupLocationsFromCache(moduleName: string, containingFile: string): ResolvedModuleWithFailedLookupLocations | undefined;
+        resolveTypeReferenceDirectives(typeDirectiveNames: string[], containingFile: string, redirectedReference?: ResolvedProjectReference): (ResolvedTypeReferenceDirective | undefined)[];
+        directoryExists(path: string): boolean;
+        getDirectories(path: string): string[];
+        log(s: string): void;
+        error(s: string): void;
+        private setInternalCompilerOptionsForEmittingJsFiles;
+        /**
+         * Get the errors that dont have any file name associated
+         */
+        getGlobalProjectErrors(): readonly Diagnostic[];
+        getAllProjectErrors(): readonly Diagnostic[];
+        getLanguageService(ensureSynchronized?: boolean): LanguageService;
+        getCompileOnSaveAffectedFileList(scriptInfo: ScriptInfo): string[];
+        /**
+         * Returns true if emit was conducted
+         */
+        emitFile(scriptInfo: ScriptInfo, writeFile: (path: string, data: string, writeByteOrderMark?: boolean) => void): EmitResult;
+        enableLanguageService(): void;
+        disableLanguageService(lastFileExceededProgramSize?: string): void;
+        getProjectName(): string;
+        abstract getTypeAcquisition(): TypeAcquisition;
+        protected removeLocalTypingsFromTypeAcquisition(newTypeAcquisition: TypeAcquisition): TypeAcquisition;
+        getExternalFiles(): SortedReadonlyArray<string>;
+        getSourceFile(path: Path): SourceFile | undefined;
+        close(): void;
+        private detachScriptInfoIfNotRoot;
+        isClosed(): boolean;
+        hasRoots(): boolean;
+        getRootFiles(): NormalizedPath[];
+        getRootScriptInfos(): ScriptInfo[];
+        getScriptInfos(): ScriptInfo[];
+        getExcludedFiles(): readonly NormalizedPath[];
+        getFileNames(excludeFilesFromExternalLibraries?: boolean, excludeConfigFiles?: boolean): NormalizedPath[];
+        hasConfigFile(configFilePath: NormalizedPath): boolean;
+        containsScriptInfo(info: ScriptInfo): boolean;
+        containsFile(filename: NormalizedPath, requireOpen?: boolean): boolean;
+        isRoot(info: ScriptInfo): boolean;
+        addRoot(info: ScriptInfo, fileName?: NormalizedPath): void;
+        addMissingFileRoot(fileName: NormalizedPath): void;
+        removeFile(info: ScriptInfo, fileExists: boolean, detachFromProject: boolean): void;
+        registerFileUpdate(fileName: string): void;
+        markAsDirty(): void;
+        /**
+         * Updates set of files that contribute to this project
+         * @returns: true if set of files in the project stays the same and false - otherwise.
+         */
+        updateGraph(): boolean;
+        protected removeExistingTypings(include: string[]): string[];
+        private updateGraphWorker;
+        private detachScriptInfoFromProject;
+        private addMissingFileWatcher;
+        private isWatchedMissingFile;
+        private createGeneratedFileWatcher;
+        private isValidGeneratedFileWatcher;
+        private clearGeneratedFileWatch;
+        getScriptInfoForNormalizedPath(fileName: NormalizedPath): ScriptInfo | undefined;
+        getScriptInfo(uncheckedFileName: string): ScriptInfo | undefined;
+        filesToString(writeProjectFileNames: boolean): string;
+        setCompilerOptions(compilerOptions: CompilerOptions): void;
+        protected removeRoot(info: ScriptInfo): void;
+        protected enableGlobalPlugins(options: CompilerOptions, pluginConfigOverrides: Map<any> | undefined): void;
+        protected enablePlugin(pluginConfigEntry: PluginImport, searchPaths: string[], pluginConfigOverrides: Map<any> | undefined): void;
+        private enableProxy;
+        /** Starts a new check for diagnostics. Call this if some file has updated that would cause diagnostics to be changed. */
+        refreshDiagnostics(): void;
+        private watchPackageJsonFile;
+    }
+    /**
+     * If a file is opened and no tsconfig (or jsconfig) is found,
+     * the file and its imports/references are put into an InferredProject.
+     */
+    class InferredProject extends Project {
+        private static readonly newName;
+        private _isJsInferredProject;
+        toggleJsInferredProject(isJsInferredProject: boolean): void;
+        setCompilerOptions(options?: CompilerOptions): void;
+        /** this is canonical project root path */
+        readonly projectRootPath: string | undefined;
+        addRoot(info: ScriptInfo): void;
+        removeRoot(info: ScriptInfo): void;
+        isProjectWithSingleRoot(): boolean;
+        close(): void;
+        getTypeAcquisition(): TypeAcquisition;
+    }
+    /**
+     * If a file is opened, the server will look for a tsconfig (or jsconfig)
+     * and if successful create a ConfiguredProject for it.
+     * Otherwise it will create an InferredProject.
+     */
+    class ConfiguredProject extends Project {
+        private typeAcquisition;
+        private directoriesWatchedForWildcards;
+        readonly canonicalConfigFilePath: NormalizedPath;
+        /** Ref count to the project when opened from external project */
+        private externalProjectRefCount;
+        private projectErrors;
+        private projectReferences;
+        /**
+         * If the project has reload from disk pending, it reloads (and then updates graph as part of that) instead of just updating the graph
+         * @returns: true if set of files in the project stays the same and false - otherwise.
+         */
+        updateGraph(): boolean;
+        getConfigFilePath(): NormalizedPath;
+        getProjectReferences(): readonly ProjectReference[] | undefined;
+        updateReferences(refs: readonly ProjectReference[] | undefined): void;
+        /**
+         * Get the errors that dont have any file name associated
+         */
+        getGlobalProjectErrors(): readonly Diagnostic[];
+        /**
+         * Get all the project errors
+         */
+        getAllProjectErrors(): readonly Diagnostic[];
+        setProjectErrors(projectErrors: Diagnostic[]): void;
+        setTypeAcquisition(newTypeAcquisition: TypeAcquisition): void;
+        getTypeAcquisition(): TypeAcquisition;
+        close(): void;
+        getEffectiveTypeRoots(): string[];
+    }
+    /**
+     * Project whose configuration is handled externally, such as in a '.csproj'.
+     * These are created only if a host explicitly calls `openExternalProject`.
+     */
+    class ExternalProject extends Project {
+        externalProjectName: string;
+        compileOnSaveEnabled: boolean;
+        excludedFiles: readonly NormalizedPath[];
+        private typeAcquisition;
+        updateGraph(): boolean;
+        getExcludedFiles(): readonly NormalizedPath[];
+        getTypeAcquisition(): TypeAcquisition;
+        setTypeAcquisition(newTypeAcquisition: TypeAcquisition): void;
+    }
+}
+declare namespace ts.server {
+    export const maxProgramSizeForNonTsFiles: number;
+    export const ProjectsUpdatedInBackgroundEvent = "projectsUpdatedInBackground";
+    export const ProjectLoadingStartEvent = "projectLoadingStart";
+    export const ProjectLoadingFinishEvent = "projectLoadingFinish";
+    export const LargeFileReferencedEvent = "largeFileReferenced";
+    export const ConfigFileDiagEvent = "configFileDiag";
+    export const ProjectLanguageServiceStateEvent = "projectLanguageServiceState";
+    export const ProjectInfoTelemetryEvent = "projectInfo";
+    export const OpenFileInfoTelemetryEvent = "openFileInfo";
+    export interface ProjectsUpdatedInBackgroundEvent {
+        eventName: typeof ProjectsUpdatedInBackgroundEvent;
+        data: {
+            openFiles: string[];
+        };
+    }
+    export interface ProjectLoadingStartEvent {
+        eventName: typeof ProjectLoadingStartEvent;
+        data: {
+            project: Project;
+            reason: string;
+        };
+    }
+    export interface ProjectLoadingFinishEvent {
+        eventName: typeof ProjectLoadingFinishEvent;
+        data: {
+            project: Project;
+        };
+    }
+    export interface LargeFileReferencedEvent {
+        eventName: typeof LargeFileReferencedEvent;
+        data: {
+            file: string;
+            fileSize: number;
+            maxFileSize: number;
+        };
+    }
+    export interface ConfigFileDiagEvent {
+        eventName: typeof ConfigFileDiagEvent;
+        data: {
+            triggerFile: string;
+            configFileName: string;
+            diagnostics: readonly Diagnostic[];
+        };
+    }
+    export interface ProjectLanguageServiceStateEvent {
+        eventName: typeof ProjectLanguageServiceStateEvent;
+        data: {
+            project: Project;
+            languageServiceEnabled: boolean;
+        };
+    }
+    /** This will be converted to the payload of a protocol.TelemetryEvent in session.defaultEventHandler. */
+    export interface ProjectInfoTelemetryEvent {
+        readonly eventName: typeof ProjectInfoTelemetryEvent;
+        readonly data: ProjectInfoTelemetryEventData;
+    }
+    export interface ProjectInfoTelemetryEventData {
+        /** Cryptographically secure hash of project file location. */
+        readonly projectId: string;
+        /** Count of file extensions seen in the project. */
+        readonly fileStats: FileStats;
+        /**
+         * Any compiler options that might contain paths will be taken out.
+         * Enum compiler options will be converted to strings.
+         */
+        readonly compilerOptions: CompilerOptions;
+        readonly extends: boolean | undefined;
+        readonly files: boolean | undefined;
+        readonly include: boolean | undefined;
+        readonly exclude: boolean | undefined;
+        readonly compileOnSave: boolean;
+        readonly typeAcquisition: ProjectInfoTypeAcquisitionData;
+        readonly configFileName: "tsconfig.json" | "jsconfig.json" | "other";
+        readonly projectType: "external" | "configured";
+        readonly languageServiceEnabled: boolean;
+        /** TypeScript version used by the server. */
+        readonly version: string;
+    }
+    /**
+     * Info that we may send about a file that was just opened.
+     * Info about a file will only be sent once per session, even if the file changes in ways that might affect the info.
+     * Currently this is only sent for '.js' files.
+     */
+    export interface OpenFileInfoTelemetryEvent {
+        readonly eventName: typeof OpenFileInfoTelemetryEvent;
+        readonly data: OpenFileInfoTelemetryEventData;
+    }
+    export interface OpenFileInfoTelemetryEventData {
+        readonly info: OpenFileInfo;
+    }
+    export interface ProjectInfoTypeAcquisitionData {
+        readonly enable: boolean | undefined;
+        readonly include: boolean;
+        readonly exclude: boolean;
+    }
+    export interface FileStats {
+        readonly js: number;
+        readonly jsSize?: number;
+        readonly jsx: number;
+        readonly jsxSize?: number;
+        readonly ts: number;
+        readonly tsSize?: number;
+        readonly tsx: number;
+        readonly tsxSize?: number;
+        readonly dts: number;
+        readonly dtsSize?: number;
+        readonly deferred: number;
+        readonly deferredSize?: number;
+    }
+    export interface OpenFileInfo {
+        readonly checkJs: boolean;
+    }
+    export type ProjectServiceEvent = LargeFileReferencedEvent | ProjectsUpdatedInBackgroundEvent | ProjectLoadingStartEvent | ProjectLoadingFinishEvent | ConfigFileDiagEvent | ProjectLanguageServiceStateEvent | ProjectInfoTelemetryEvent | OpenFileInfoTelemetryEvent;
+    export type ProjectServiceEventHandler = (event: ProjectServiceEvent) => void;
+    export interface SafeList {
+        [name: string]: {
+            match: RegExp;
+            exclude?: (string | number)[][];
+            types?: string[];
+        };
+    }
+    export interface TypesMapFile {
+        typesMap: SafeList;
+        simpleMap: {
+            [libName: string]: string;
+        };
+    }
+    export function convertFormatOptions(protocolOptions: protocol.FormatCodeSettings): FormatCodeSettings;
+    export function convertCompilerOptions(protocolOptions: protocol.ExternalProjectCompilerOptions): CompilerOptions & protocol.CompileOnSaveMixin;
+    export function convertWatchOptions(protocolOptions: protocol.ExternalProjectCompilerOptions): WatchOptions | undefined;
+    export function tryConvertScriptKindName(scriptKindName: protocol.ScriptKindName | ScriptKind): ScriptKind;
+    export function convertScriptKindName(scriptKindName: protocol.ScriptKindName): ScriptKind.Unknown | ScriptKind.JS | ScriptKind.JSX | ScriptKind.TS | ScriptKind.TSX;
+    export interface HostConfiguration {
+        formatCodeOptions: FormatCodeSettings;
+        preferences: protocol.UserPreferences;
+        hostInfo: string;
+        extraFileExtensions?: FileExtensionInfo[];
+        watchOptions?: WatchOptions;
+    }
+    export interface OpenConfiguredProjectResult {
+        configFileName?: NormalizedPath;
+        configFileErrors?: readonly Diagnostic[];
+    }
+    export interface ProjectServiceOptions {
+        host: ServerHost;
+        logger: Logger;
+        cancellationToken: HostCancellationToken;
+        useSingleInferredProject: boolean;
+        useInferredProjectPerProjectRoot: boolean;
+        typingsInstaller: ITypingsInstaller;
+        eventHandler?: ProjectServiceEventHandler;
+        suppressDiagnosticEvents?: boolean;
+        throttleWaitMilliseconds?: number;
+        globalPlugins?: readonly string[];
+        pluginProbeLocations?: readonly string[];
+        allowLocalPluginLoads?: boolean;
+        typesMapLocation?: string;
+        syntaxOnly?: boolean;
+    }
+    export class ProjectService {
+        private readonly scriptInfoInNodeModulesWatchers;
+        /**
+         * Contains all the deleted script info's version information so that
+         * it does not reset when creating script info again
+         * (and could have potentially collided with version where contents mismatch)
+         */
+        private readonly filenameToScriptInfoVersion;
+        private readonly allJsFilesForOpenFileTelemetry;
+        /**
+         * maps external project file name to list of config files that were the part of this project
+         */
+        private readonly externalProjectToConfiguredProjectMap;
+        /**
+         * external projects (configuration and list of root files is not controlled by tsserver)
+         */
+        readonly externalProjects: ExternalProject[];
+        /**
+         * projects built from openFileRoots
+         */
+        readonly inferredProjects: InferredProject[];
+        /**
+         * projects specified by a tsconfig.json file
+         */
+        readonly configuredProjects: Map<ConfiguredProject>;
+        /**
+         * Open files: with value being project root path, and key being Path of the file that is open
+         */
+        readonly openFiles: Map<NormalizedPath | undefined>;
+        /**
+         * Map of open files that are opened without complete path but have projectRoot as current directory
+         */
+        private readonly openFilesWithNonRootedDiskPath;
+        private compilerOptionsForInferredProjects;
+        private compilerOptionsForInferredProjectsPerProjectRoot;
+        private watchOptionsForInferredProjects;
+        private watchOptionsForInferredProjectsPerProjectRoot;
+        /**
+         * Project size for configured or external projects
+         */
+        private readonly projectToSizeMap;
+        /**
+         * This is a map of config file paths existence that doesnt need query to disk
+         * - The entry can be present because there is inferred project that needs to watch addition of config file to directory
+         *   In this case the exists could be true/false based on config file is present or not
+         * - Or it is present if we have configured project open with config file at that location
+         *   In this case the exists property is always true
+         */
+        private readonly configFileExistenceInfoCache;
+        private readonly throttledOperations;
+        private readonly hostConfiguration;
+        private safelist;
+        private readonly legacySafelist;
+        private pendingProjectUpdates;
+        readonly currentDirectory: NormalizedPath;
+        readonly toCanonicalFileName: (f: string) => string;
+        readonly host: ServerHost;
+        readonly logger: Logger;
+        readonly cancellationToken: HostCancellationToken;
+        readonly useSingleInferredProject: boolean;
+        readonly useInferredProjectPerProjectRoot: boolean;
+        readonly typingsInstaller: ITypingsInstaller;
+        private readonly globalCacheLocationDirectoryPath;
+        readonly throttleWaitMilliseconds?: number;
+        private readonly eventHandler?;
+        private readonly suppressDiagnosticEvents?;
+        readonly globalPlugins: readonly string[];
+        readonly pluginProbeLocations: readonly string[];
+        readonly allowLocalPluginLoads: boolean;
+        private currentPluginConfigOverrides;
+        readonly typesMapLocation: string | undefined;
+        readonly syntaxOnly?: boolean;
+        /** Tracks projects that we have already sent telemetry for. */
+        private readonly seenProjects;
+        private performanceEventHandler?;
+        constructor(opts: ProjectServiceOptions);
+        toPath(fileName: string): Path;
+        private loadTypesMap;
+        updateTypingsForProject(response: SetTypings | InvalidateCachedTypings | PackageInstalledResponse): void;
+        private delayEnsureProjectForOpenFiles;
+        private delayUpdateProjectGraph;
+        private delayUpdateProjectGraphs;
+        setCompilerOptionsForInferredProjects(projectCompilerOptions: protocol.ExternalProjectCompilerOptions, projectRootPath?: string): void;
+        findProject(projectName: string): Project | undefined;
+        getDefaultProjectForFile(fileName: NormalizedPath, ensureProject: boolean): Project | undefined;
+        private doEnsureDefaultProjectForFile;
+        getScriptInfoEnsuringProjectsUptoDate(uncheckedFileName: string): ScriptInfo | undefined;
+        /**
+         * Ensures the project structures are upto date
+         * This means,
+         * - we go through all the projects and update them if they are dirty
+         * - if updates reflect some change in structure or there was pending request to ensure projects for open files
+         *   ensure that each open script info has project
+         */
+        private ensureProjectStructuresUptoDate;
+        getFormatCodeOptions(file: NormalizedPath): FormatCodeSettings;
+        getPreferences(file: NormalizedPath): protocol.UserPreferences;
+        getHostFormatCodeOptions(): FormatCodeSettings;
+        getHostPreferences(): protocol.UserPreferences;
+        private onSourceFileChanged;
+        private handleSourceMapProjects;
+        private delayUpdateSourceInfoProjects;
+        private delayUpdateProjectsOfScriptInfoPath;
+        private handleDeletedFile;
+        /**
+         * This is the callback function for the config file add/remove/change at any location
+         * that matters to open script info but doesnt have configured project open
+         * for the config file
+         */
+        private onConfigFileChangeForOpenScriptInfo;
+        private removeProject;
+        private assignOrphanScriptInfosToInferredProject;
+        /**
+         * Remove this file from the set of open, non-configured files.
+         * @param info The file that has been closed or newly configured
+         */
+        private closeOpenFile;
+        private deleteScriptInfo;
+        private configFileExists;
+        private setConfigFileExistenceByNewConfiguredProject;
+        /**
+         * Returns true if the configFileExistenceInfo is needed/impacted by open files that are root of inferred project
+         */
+        private configFileExistenceImpactsRootOfInferredProject;
+        private setConfigFileExistenceInfoByClosedConfiguredProject;
+        private logConfigFileWatchUpdate;
+        /**
+         * Create the watcher for the configFileExistenceInfo
+         */
+        private createConfigFileWatcherOfConfigFileExistence;
+        /**
+         * Close the config file watcher in the cached ConfigFileExistenceInfo
+         *   if there arent any open files that are root of inferred project
+         */
+        private closeConfigFileWatcherOfConfigFileExistenceInfo;
+        /**
+         * This is called on file close, so that we stop watching the config file for this script info
+         */
+        private stopWatchingConfigFilesForClosedScriptInfo;
+        /**
+         * This function tries to search for a tsconfig.json for the given file.
+         * This is different from the method the compiler uses because
+         * the compiler can assume it will always start searching in the
+         * current directory (the directory in which tsc was invoked).
+         * The server must start searching from the directory containing
+         * the newly opened file.
+         */
+        private forEachConfigFileLocation;
+        /**
+         * This function tries to search for a tsconfig.json for the given file.
+         * This is different from the method the compiler uses because
+         * the compiler can assume it will always start searching in the
+         * current directory (the directory in which tsc was invoked).
+         * The server must start searching from the directory containing
+         * the newly opened file.
+         * If script info is passed in, it is asserted to be open script info
+         * otherwise just file name
+         */
+        private getConfigFileNameForFile;
+        private printProjects;
+        private getConfiguredProjectByCanonicalConfigFilePath;
+        private findExternalProjectByProjectName;
+        /** Get a filename if the language service exceeds the maximum allowed program size; otherwise returns undefined. */
+        private getFilenameForExceededTotalSizeLimitForNonTsFiles;
+        private createExternalProject;
+        private addFilesToNonInferredProject;
+        private updateNonInferredProjectFiles;
+        private updateRootAndOptionsOfNonInferredProject;
+        private sendConfigFileDiagEvent;
+        private getOrCreateInferredProjectForProjectRootPathIfEnabled;
+        private getOrCreateSingleInferredProjectIfEnabled;
+        private getOrCreateSingleInferredWithoutProjectRoot;
+        private createInferredProject;
+        getScriptInfo(uncheckedFileName: string): ScriptInfo | undefined;
+        private watchClosedScriptInfo;
+        private watchClosedScriptInfoInNodeModules;
+        private getModifiedTime;
+        private refreshScriptInfo;
+        private refreshScriptInfosInDirectory;
+        private stopWatchingScriptInfo;
+        private getOrCreateScriptInfoNotOpenedByClientForNormalizedPath;
+        private getOrCreateScriptInfoOpenedByClientForNormalizedPath;
+        getOrCreateScriptInfoForNormalizedPath(fileName: NormalizedPath, openedByClient: boolean, fileContent?: string, scriptKind?: ScriptKind, hasMixedContent?: boolean, hostToQueryFileExistsOn?: {
+            fileExists(path: string): boolean;
+        }): ScriptInfo | undefined;
+        private getOrCreateScriptInfoWorker;
+        /**
+         * This gets the script info for the normalized path. If the path is not rooted disk path then the open script info with project root context is preferred
+         */
+        getScriptInfoForNormalizedPath(fileName: NormalizedPath): ScriptInfo | undefined;
+        getScriptInfoForPath(fileName: Path): ScriptInfo | undefined;
+        private addSourceInfoToSourceMap;
+        private addMissingSourceMapFile;
+        setHostConfiguration(args: protocol.ConfigureRequestArguments): void;
+        closeLog(): void;
+        /**
+         * This function rebuilds the project for every file opened by the client
+         * This does not reload contents of open files from disk. But we could do that if needed
+         */
+        reloadProjects(): void;
+        private delayReloadConfiguredProjectForFiles;
+        /**
+         * This function goes through all the openFiles and tries to file the config file for them.
+         * If the config file is found and it refers to existing project, it reloads it either immediately
+         * or schedules it for reload depending on delayReload option
+         * If the there is no existing project it just opens the configured project for the config file
+         * reloadForInfo provides a way to filter out files to reload configured project for
+         */
+        private reloadConfiguredProjectForFiles;
+        /**
+         * Remove the root of inferred project if script info is part of another project
+         */
+        private removeRootOfInferredProjectIfNowPartOfOtherProject;
+        /**
+         * This function is to update the project structure for every inferred project.
+         * It is called on the premise that all the configured projects are
+         * up to date.
+         * This will go through open files and assign them to inferred project if open file is not part of any other project
+         * After that all the inferred project graphs are updated
+         */
+        private ensureProjectForOpenFiles;
+        /**
+         * Open file whose contents is managed by the client
+         * @param filename is absolute pathname
+         * @param fileContent is a known version of the file content that is more up to date than the one on disk
+         */
+        openClientFile(fileName: string, fileContent?: string, scriptKind?: ScriptKind, projectRootPath?: string): OpenConfiguredProjectResult;
+        private findExternalProjectContainingOpenScriptInfo;
+        private getOrCreateOpenScriptInfo;
+        private assignProjectToOpenedScriptInfo;
+        private createAncestorProjects;
+        private ensureProjectChildren;
+        private cleanupAfterOpeningFile;
+        openClientFileWithNormalizedPath(fileName: NormalizedPath, fileContent?: string, scriptKind?: ScriptKind, hasMixedContent?: boolean, projectRootPath?: NormalizedPath): OpenConfiguredProjectResult;
+        private removeOrphanConfiguredProjects;
+        private removeOrphanScriptInfos;
+        private telemetryOnOpenFile;
+        /**
+         * Close file whose contents is managed by the client
+         * @param filename is absolute pathname
+         */
+        closeClientFile(uncheckedFileName: string): void;
+        private collectChanges;
+        private closeConfiguredProjectReferencedFromExternalProject;
+        closeExternalProject(uncheckedFileName: string): void;
+        openExternalProjects(projects: protocol.ExternalProject[]): void;
+        /** Makes a filename safe to insert in a RegExp */
+        private static readonly filenameEscapeRegexp;
+        private static escapeFilenameForRegex;
+        resetSafeList(): void;
+        applySafeList(proj: protocol.ExternalProject): NormalizedPath[];
+        openExternalProject(proj: protocol.ExternalProject): void;
+        hasDeferredExtension(): boolean;
+        configurePlugin(args: protocol.ConfigurePluginRequestArguments): void;
+    }
+    export {};
+}
+declare namespace ts.server {
+    interface ServerCancellationToken extends HostCancellationToken {
+        setRequest(requestId: number): void;
+        resetRequest(requestId: number): void;
+    }
+    const nullCancellationToken: ServerCancellationToken;
+    interface PendingErrorCheck {
+        fileName: NormalizedPath;
+        project: Project;
+    }
+    type CommandNames = protocol.CommandTypes;
+    const CommandNames: any;
+    function formatMessage<T extends protocol.Message>(msg: T, logger: Logger, byteLength: (s: string, encoding: string) => number, newLine: string): string;
+    type Event = <T extends object>(body: T, eventName: string) => void;
+    interface EventSender {
+        event: Event;
+    }
+    interface SessionOptions {
+        host: ServerHost;
+        cancellationToken: ServerCancellationToken;
+        useSingleInferredProject: boolean;
+        useInferredProjectPerProjectRoot: boolean;
+        typingsInstaller: ITypingsInstaller;
+        byteLength: (buf: string, encoding?: string) => number;
+        hrtime: (start?: number[]) => number[];
+        logger: Logger;
+        /**
+         * If falsy, all events are suppressed.
+         */
+        canUseEvents: boolean;
+        eventHandler?: ProjectServiceEventHandler;
+        /** Has no effect if eventHandler is also specified. */
+        suppressDiagnosticEvents?: boolean;
+        syntaxOnly?: boolean;
+        throttleWaitMilliseconds?: number;
+        noGetErrOnBackgroundUpdate?: boolean;
+        globalPlugins?: readonly string[];
+        pluginProbeLocations?: readonly string[];
+        allowLocalPluginLoads?: boolean;
+        typesMapLocation?: string;
+    }
+    class Session implements EventSender {
+        private readonly gcTimer;
+        protected projectService: ProjectService;
+        private changeSeq;
+        private updateGraphDurationMs;
+        private currentRequestId;
+        private errorCheck;
+        protected host: ServerHost;
+        private readonly cancellationToken;
+        protected readonly typingsInstaller: ITypingsInstaller;
+        protected byteLength: (buf: string, encoding?: string) => number;
+        private hrtime;
+        protected logger: Logger;
+        protected canUseEvents: boolean;
+        private suppressDiagnosticEvents?;
+        private eventHandler;
+        private readonly noGetErrOnBackgroundUpdate?;
+        constructor(opts: SessionOptions);
+        private sendRequestCompletedEvent;
+        private performanceEventHandler;
+        private defaultEventHandler;
+        private projectsUpdatedInBackgroundEvent;
+        logError(err: Error, cmd: string): void;
+        private logErrorWorker;
+        send(msg: protocol.Message): void;
+        event<T extends object>(body: T, eventName: string): void;
+        /** @deprecated */
+        output(info: any, cmdName: string, reqSeq?: number, errorMsg?: string): void;
+        private doOutput;
+        private semanticCheck;
+        private syntacticCheck;
+        private suggestionCheck;
+        private sendDiagnosticsEvent;
+        /** It is the caller's responsibility to verify that `!this.suppressDiagnosticEvents`. */
+        private updateErrorCheck;
+        private cleanProjects;
+        private cleanup;
+        private getEncodedSyntacticClassifications;
+        private getEncodedSemanticClassifications;
+        private getProject;
+        private getConfigFileAndProject;
+        private getConfigFileDiagnostics;
+        private convertToDiagnosticsWithLinePositionFromDiagnosticFile;
+        private getCompilerOptionsDiagnostics;
+        private convertToDiagnosticsWithLinePosition;
+        private getDiagnosticsWorker;
+        private getDefinition;
+        private mapDefinitionInfoLocations;
+        private getDefinitionAndBoundSpan;
+        private getEmitOutput;
+        private mapDefinitionInfo;
+        private static mapToOriginalLocation;
+        private toFileSpan;
+        private toFileSpanWithContext;
+        private getTypeDefinition;
+        private mapImplementationLocations;
+        private getImplementation;
+        private getOccurrences;
+        private getSyntacticDiagnosticsSync;
+        private getSemanticDiagnosticsSync;
+        private getSuggestionDiagnosticsSync;
+        private getJsxClosingTag;
+        private getDocumentHighlights;
+        private setCompilerOptionsForInferredProjects;
+        private getProjectInfo;
+        private getProjectInfoWorker;
+        private getRenameInfo;
+        private getProjects;
+        private getDefaultProject;
+        private getRenameLocations;
+        private mapRenameInfo;
+        private toSpanGroups;
+        private getReferences;
+        /**
+         * @param fileName is the name of the file to be opened
+         * @param fileContent is a version of the file content that is known to be more up to date than the one on disk
+         */
+        private openClientFile;
+        private getPosition;
+        private getPositionInFile;
+        private getFileAndProject;
+        private getFileAndLanguageServiceForSyntacticOperation;
+        private getFileAndProjectWorker;
+        private getOutliningSpans;
+        private getTodoComments;
+        private getDocCommentTemplate;
+        private getSpanOfEnclosingComment;
+        private getIndentation;
+        private getBreakpointStatement;
+        private getNameOrDottedNameSpan;
+        private isValidBraceCompletion;
+        private getQuickInfoWorker;
+        private getFormattingEditsForRange;
+        private getFormattingEditsForRangeFull;
+        private getFormattingEditsForDocumentFull;
+        private getFormattingEditsAfterKeystrokeFull;
+        private getFormattingEditsAfterKeystroke;
+        private getCompletions;
+        private getCompletionEntryDetails;
+        private getCompileOnSaveAffectedFileList;
+        private emitFile;
+        private getSignatureHelpItems;
+        private toPendingErrorCheck;
+        private getDiagnostics;
+        private change;
+        private reload;
+        private saveToTmp;
+        private closeClientFile;
+        private mapLocationNavigationBarItems;
+        private getNavigationBarItems;
+        private toLocationNavigationTree;
+        private getNavigationTree;
+        private getNavigateToItems;
+        private getFullNavigateToItems;
+        private getSupportedCodeFixes;
+        private isLocation;
+        private extractPositionOrRange;
+        private getApplicableRefactors;
+        private getEditsForRefactor;
+        private organizeImports;
+        private getEditsForFileRename;
+        private getCodeFixes;
+        private getCombinedCodeFix;
+        private applyCodeActionCommand;
+        private getStartAndEndPosition;
+        private mapCodeAction;
+        private mapCodeFixAction;
+        private mapTextChangesToCodeEdits;
+        private mapTextChangeToCodeEdit;
+        private convertTextChangeToCodeEdit;
+        private getBraceMatching;
+        private getDiagnosticsForProject;
+        private configurePlugin;
+        private getSmartSelectionRange;
+        private mapSelectionRange;
+        private getScriptInfoFromProjectService;
+        private toProtocolCallHierarchyItem;
+        private toProtocolCallHierarchyIncomingCall;
+        private toProtocolCallHierarchyOutgoingCall;
+        private prepareCallHierarchy;
+        private provideCallHierarchyIncomingCalls;
+        private provideCallHierarchyOutgoingCalls;
+        getCanonicalFileName(fileName: string): string;
+        exit(): void;
+        private notRequired;
+        private requiredResponse;
+        private handlers;
+        addProtocolHandler(command: string, handler: (request: protocol.Request) => HandlerResponse): void;
+        private setCurrentRequest;
+        private resetCurrentRequest;
+        executeWithRequestId<T>(requestId: number, f: () => T): T;
+        executeCommand(request: protocol.Request): HandlerResponse;
+        onMessage(message: string): void;
+        private getFormatOptions;
+        private getPreferences;
+        private getHostFormatOptions;
+        private getHostPreferences;
+    }
+    interface HandlerResponse {
+        response?: {};
+        responseRequired?: boolean;
+    }
+}
+
+export = ts;
+export as namespace ts;
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