import sys
from email.errors import HeaderParseError, MessageDefect
from email.policy import Policy
from typing import Any, Iterable, Iterator, List, Pattern, Type, TypeVar, Union
from typing_extensions import Final

_T = TypeVar("_T")

WSP: Final[set[str]]
CFWS_LEADER: Final[set[str]]
SPECIALS: Final[set[str]]
ATOM_ENDS: Final[set[str]]
DOT_ATOM_ENDS: Final[set[str]]
PHRASE_ENDS: Final[set[str]]
TSPECIALS: Final[set[str]]
TOKEN_ENDS: Final[set[str]]
ASPECIALS: Final[set[str]]
ATTRIBUTE_ENDS: Final[set[str]]
EXTENDED_ATTRIBUTE_ENDS: Final[set[str]]

def quote_string(value: Any) -> str: ...

if sys.version_info >= (3, 7):
    rfc2047_matcher: Pattern[str]

class TokenList(List[Union[TokenList, Terminal]]):
    token_type: str | None
    syntactic_break: bool
    ew_combine_allowed: bool
    defects: list[MessageDefect]
    def __init__(self, *args: Any, **kw: Any) -> None: ...
    @property
    def value(self) -> str: ...
    @property
    def all_defects(self) -> list[MessageDefect]: ...
    def startswith_fws(self) -> bool: ...
    @property
    def as_ew_allowed(self) -> bool: ...
    @property
    def comments(self) -> list[str]: ...
    def fold(self, *, policy: Policy) -> str: ...
    def pprint(self, indent: str = ...) -> None: ...
    def ppstr(self, indent: str = ...) -> str: ...

class WhiteSpaceTokenList(TokenList):
    @property
    def value(self) -> str: ...
    @property
    def comments(self) -> list[str]: ...

class UnstructuredTokenList(TokenList):
    token_type: str

class Phrase(TokenList):
    token_type: str

class Word(TokenList):
    token_type: str

class CFWSList(WhiteSpaceTokenList):
    token_type: str

class Atom(TokenList):
    token_type: str

class Token(TokenList):
    token_type: str
    encode_as_ew: bool

class EncodedWord(TokenList):
    token_type: str
    cte: str | None
    charset: str | None
    lang: str | None

class QuotedString(TokenList):
    token_type: str
    @property
    def content(self) -> str: ...
    @property
    def quoted_value(self) -> str: ...
    @property
    def stripped_value(self) -> str: ...

class BareQuotedString(QuotedString):
    token_type: str
    @property
    def value(self) -> str: ...

class Comment(WhiteSpaceTokenList):
    token_type: str
    def quote(self, value: Any) -> str: ...
    @property
    def content(self) -> str: ...
    @property
    def comments(self) -> list[str]: ...

class AddressList(TokenList):
    token_type: str
    @property
    def addresses(self) -> list[Address]: ...
    @property
    def mailboxes(self) -> list[Mailbox]: ...
    @property
    def all_mailboxes(self) -> list[Mailbox]: ...

class Address(TokenList):
    token_type: str
    @property
    def display_name(self) -> str: ...
    @property
    def mailboxes(self) -> list[Mailbox]: ...
    @property
    def all_mailboxes(self) -> list[Mailbox]: ...

class MailboxList(TokenList):
    token_type: str
    @property
    def mailboxes(self) -> list[Mailbox]: ...
    @property
    def all_mailboxes(self) -> list[Mailbox]: ...

class GroupList(TokenList):
    token_type: str
    @property
    def mailboxes(self) -> list[Mailbox]: ...
    @property
    def all_mailboxes(self) -> list[Mailbox]: ...

class Group(TokenList):
    token_type: str
    @property
    def mailboxes(self) -> list[Mailbox]: ...
    @property
    def all_mailboxes(self) -> list[Mailbox]: ...
    @property
    def display_name(self) -> str: ...

class NameAddr(TokenList):
    token_type: str
    @property
    def display_name(self) -> str: ...
    @property
    def local_part(self) -> str: ...
    @property
    def domain(self) -> str: ...
    @property
    def route(self) -> list[Domain] | None: ...
    @property
    def addr_spec(self) -> str: ...

class AngleAddr(TokenList):
    token_type: str
    @property
    def local_part(self) -> str: ...
    @property
    def domain(self) -> str: ...
    @property
    def route(self) -> list[Domain] | None: ...
    @property
    def addr_spec(self) -> str: ...

class ObsRoute(TokenList):
    token_type: str
    @property
    def domains(self) -> list[Domain]: ...

class Mailbox(TokenList):
    token_type: str
    @property
    def display_name(self) -> str: ...
    @property
    def local_part(self) -> str: ...
    @property
    def domain(self) -> str: ...
    @property
    def route(self) -> list[str]: ...
    @property
    def addr_spec(self) -> str: ...

class InvalidMailbox(TokenList):
    token_type: str
    @property
    def display_name(self) -> None: ...
    local_part: None
    domain: None
    route: None
    addr_spec: None

class Domain(TokenList):
    token_type: str
    as_ew_allowed: bool
    @property
    def domain(self) -> str: ...

class DotAtom(TokenList):
    token_type: str

class DotAtomText(TokenList):
    token_type: str
    as_ew_allowed: bool

if sys.version_info >= (3, 8):
    class NoFoldLiteral(TokenList):
        token_type: str
        as_ew_allowed: bool

class AddrSpec(TokenList):
    token_type: str
    as_ew_allowed: bool
    @property
    def local_part(self) -> str: ...
    @property
    def domain(self) -> str: ...
    @property
    def value(self) -> str: ...
    @property
    def addr_spec(self) -> str: ...

class ObsLocalPart(TokenList):
    token_type: str
    as_ew_allowed: bool

class DisplayName(Phrase):
    token_type: str
    ew_combine_allowed: bool
    @property
    def display_name(self) -> str: ...
    @property
    def value(self) -> str: ...

class LocalPart(TokenList):
    token_type: str
    as_ew_allowed: bool
    @property
    def value(self) -> str: ...
    @property
    def local_part(self) -> str: ...

class DomainLiteral(TokenList):
    token_type: str
    as_ew_allowed: bool
    @property
    def domain(self) -> str: ...
    @property
    def ip(self) -> str: ...

class MIMEVersion(TokenList):
    token_type: str
    major: int | None
    minor: int | None

class Parameter(TokenList):
    token_type: str
    sectioned: bool
    extended: bool
    charset: str
    @property
    def section_number(self) -> int: ...
    @property
    def param_value(self) -> str: ...

class InvalidParameter(Parameter):
    token_type: str

class Attribute(TokenList):
    token_type: str
    @property
    def stripped_value(self) -> str: ...

class Section(TokenList):
    token_type: str
    number: int | None

class Value(TokenList):
    token_type: str
    @property
    def stripped_value(self) -> str: ...

class MimeParameters(TokenList):
    token_type: str
    syntactic_break: bool
    @property
    def params(self) -> Iterator[tuple[str, str]]: ...

class ParameterizedHeaderValue(TokenList):
    syntactic_break: bool
    @property
    def params(self) -> Iterable[tuple[str, str]]: ...

class ContentType(ParameterizedHeaderValue):
    token_type: str
    as_ew_allowed: bool
    maintype: str
    subtype: str

class ContentDisposition(ParameterizedHeaderValue):
    token_type: str
    as_ew_allowed: bool
    content_disposition: Any

class ContentTransferEncoding(TokenList):
    token_type: str
    as_ew_allowed: bool
    cte: str

class HeaderLabel(TokenList):
    token_type: str
    as_ew_allowed: bool

if sys.version_info >= (3, 8):
    class MsgID(TokenList):
        token_type: str
        as_ew_allowed: bool
        def fold(self, policy: Policy) -> str: ...
    class MessageID(MsgID):
        token_type: str
    class InvalidMessageID(MessageID):
        token_type: str

class Header(TokenList):
    token_type: str

class Terminal(str):
    as_ew_allowed: bool
    ew_combine_allowed: bool
    syntactic_break: bool
    token_type: str
    defects: list[MessageDefect]
    def __new__(cls: Type[_T], value: str, token_type: str) -> _T: ...
    def pprint(self) -> None: ...
    @property
    def all_defects(self) -> list[MessageDefect]: ...
    def pop_trailing_ws(self) -> None: ...
    @property
    def comments(self) -> list[str]: ...
    def __getnewargs__(self) -> tuple[str, str]: ...  # type: ignore

class WhiteSpaceTerminal(Terminal):
    @property
    def value(self) -> str: ...
    def startswith_fws(self) -> bool: ...

class ValueTerminal(Terminal):
    @property
    def value(self) -> ValueTerminal: ...
    def startswith_fws(self) -> bool: ...

class EWWhiteSpaceTerminal(WhiteSpaceTerminal):
    @property
    def value(self) -> str: ...

class _InvalidEwError(HeaderParseError): ...

DOT: Final[ValueTerminal]
ListSeparator: Final[ValueTerminal]
RouteComponentMarker: Final[ValueTerminal]

def get_fws(value: str) -> tuple[WhiteSpaceTerminal, str]: ...
def get_encoded_word(value: str) -> tuple[EncodedWord, str]: ...
def get_unstructured(value: str) -> UnstructuredTokenList: ...
def get_qp_ctext(value: str) -> tuple[WhiteSpaceTerminal, str]: ...
def get_qcontent(value: str) -> tuple[ValueTerminal, str]: ...
def get_atext(value: str) -> tuple[ValueTerminal, str]: ...
def get_bare_quoted_string(value: str) -> tuple[BareQuotedString, str]: ...
def get_comment(value: str) -> tuple[Comment, str]: ...
def get_cfws(value: str) -> tuple[CFWSList, str]: ...
def get_quoted_string(value: str) -> tuple[QuotedString, str]: ...
def get_atom(value: str) -> tuple[Atom, str]: ...
def get_dot_atom_text(value: str) -> tuple[DotAtomText, str]: ...
def get_dot_atom(value: str) -> tuple[DotAtom, str]: ...
def get_word(value: str) -> tuple[Any, str]: ...
def get_phrase(value: str) -> tuple[Phrase, str]: ...
def get_local_part(value: str) -> tuple[LocalPart, str]: ...
def get_obs_local_part(value: str) -> tuple[ObsLocalPart, str]: ...
def get_dtext(value: str) -> tuple[ValueTerminal, str]: ...
def get_domain_literal(value: str) -> tuple[DomainLiteral, str]: ...
def get_domain(value: str) -> tuple[Domain, str]: ...
def get_addr_spec(value: str) -> tuple[AddrSpec, str]: ...
def get_obs_route(value: str) -> tuple[ObsRoute, str]: ...
def get_angle_addr(value: str) -> tuple[AngleAddr, str]: ...
def get_display_name(value: str) -> tuple[DisplayName, str]: ...
def get_name_addr(value: str) -> tuple[NameAddr, str]: ...
def get_mailbox(value: str) -> tuple[Mailbox, str]: ...
def get_invalid_mailbox(value: str, endchars: str) -> tuple[InvalidMailbox, str]: ...
def get_mailbox_list(value: str) -> tuple[MailboxList, str]: ...
def get_group_list(value: str) -> tuple[GroupList, str]: ...
def get_group(value: str) -> tuple[Group, str]: ...
def get_address(value: str) -> tuple[Address, str]: ...
def get_address_list(value: str) -> tuple[AddressList, str]: ...

if sys.version_info >= (3, 8):
    def get_no_fold_literal(value: str) -> tuple[NoFoldLiteral, str]: ...
    def get_msg_id(value: str) -> tuple[MsgID, str]: ...
    def parse_message_id(value: str) -> MessageID: ...

def parse_mime_version(value: str) -> MIMEVersion: ...
def get_invalid_parameter(value: str) -> tuple[InvalidParameter, str]: ...
def get_ttext(value: str) -> tuple[ValueTerminal, str]: ...
def get_token(value: str) -> tuple[Token, str]: ...
def get_attrtext(value: str) -> tuple[ValueTerminal, str]: ...
def get_attribute(value: str) -> tuple[Attribute, str]: ...
def get_extended_attrtext(value: str) -> tuple[ValueTerminal, str]: ...
def get_extended_attribute(value: str) -> tuple[Attribute, str]: ...
def get_section(value: str) -> tuple[Section, str]: ...
def get_value(value: str) -> tuple[Value, str]: ...
def get_parameter(value: str) -> tuple[Parameter, str]: ...
def parse_mime_parameters(value: str) -> MimeParameters: ...
def parse_content_type_header(value: str) -> ContentType: ...
def parse_content_disposition_header(value: str) -> ContentDisposition: ...
def parse_content_transfer_encoding_header(value: str) -> ContentTransferEncoding: ...