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                                                                                                                                                                                     ÿØÿà JFIF 

  
 
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                                                                                                                                                                                     from typing import TypeVar, Optional, Callable, overload
from . import _ConverterType

_T = TypeVar("_T")

def optional(
    converter: _ConverterType[_T]
) -> _ConverterType[Optional[_T]]: ...
@overload
def default_if_none(default: _T) -> _ConverterType[_T]: ...
@overload
def default_if_none(*, factory: Callable[[], _T]) -> _ConverterType[_T]: ...