1  import sys
   2  from typing import Any, Dict, Optional, Union
   3  
   4  if sys.version_info >= (3,):
   5      _Text = str
   6  else:
   7      _Text = Union[str, unicode]
   8  
   9  class Completer:
  10      def __init__(self, namespace: Optional[Dict[str, Any]] = ...) -> None: ...
  11      def complete(self, text: _Text, state: int) -> Optional[str]: ...
  12