1  import sys
   2  from typing import List, Optional, Pattern, Tuple, overload
   3  
   4  _HeaderList = List[Tuple[str, str]]
   5  
   6  tspecials: Pattern[str]  # undocumented
   7  
   8  class Headers:
   9      if sys.version_info < (3, 5):
  10          def __init__(self, headers: _HeaderList) -> None: ...
  11      else:
  12          def __init__(self, headers: Optional[_HeaderList] = ...) -> None: ...
  13      def __len__(self) -> int: ...
  14      def __setitem__(self, name: str, val: str) -> None: ...
  15      def __delitem__(self, name: str) -> None: ...
  16      def __getitem__(self, name: str) -> Optional[str]: ...
  17      if sys.version_info < (3,):
  18          def has_key(self, name: str) -> bool: ...
  19      def __contains__(self, name: str) -> bool: ...
  20      def get_all(self, name: str) -> List[str]: ...
  21      @overload
  22      def get(self, name: str, default: str) -> str: ...
  23      @overload
  24      def get(self, name: str, default: Optional[str] = ...) -> Optional[str]: ...
  25      def keys(self) -> List[str]: ...
  26      def values(self) -> List[str]: ...
  27      def items(self) -> _HeaderList: ...
  28      if sys.version_info >= (3,):
  29          def __bytes__(self) -> bytes: ...
  30      def setdefault(self, name: str, value: str) -> str: ...
  31      def add_header(self, _name: str, _value: Optional[str], **_params: Optional[str]) -> None: ...
  32