1 import { Observable } from '../Observable';
2 import { Operator } from '../Operator';
3 import { Subscriber } from '../Subscriber';
4 import { OperatorFunction } from '../types';
5 export declare function find<T, S extends T>(predicate: (value: T, index: number, source: Observable<T>) => value is S, thisArg?: any): OperatorFunction<T, S | undefined>;
6 export declare function find<T>(predicate: (value: T, index: number, source: Observable<T>) => boolean, thisArg?: any): OperatorFunction<T, T | undefined>;
7 export declare class FindValueOperator<T> implements Operator<T, T | number | undefined> {
12 constructor(predicate: (value: T, index: number, source: Observable<T>) => boolean, source: Observable<T>, yieldIndex: boolean, thisArg?: any);
13 call(observer: Subscriber<T>, source: any): any;
16 * We need this JSDoc comment for affecting ESDoc.
20 export declare class FindValueSubscriber<T> extends Subscriber<T> {
26 constructor(destination: Subscriber<T>, predicate: (value: T, index: number, source: Observable<T>) => boolean, source: Observable<T>, yieldIndex: boolean, thisArg?: any);
27 private notifyComplete;
28 protected _next(value: T): void;
29 protected _complete(): void;