def NoInitField(
    *,
    init: Literal[False] = False,
) -> Any:
    """Only for typing purposes. Used as default value of `__pydantic_fields_set__`,
    `__pydantic_extra__`, `__pydantic_private__`, so they could be ignored when
    synthesizing the `__init__` signature.
    """
Only for typing purposes. Used as default value of `__pydantic_fields_set__`,
    `__pydantic_extra__`, `__pydantic_private__`, so they could be ignored when
    synthesizing the `__init__` signature.
    
pydantic/_internal/_model_construction.py