def typed_dict_keys(td):
    """If td is a TypedDict class, return a dictionary mapping the typed keys to types.
    Otherwise, return None. Examples::

        class TD(TypedDict):
            x: int
            y: int
        class Other(dict):
            x: int
            y: int

        typed_dict_keys(TD) == {'x': int, 'y': int}
        typed_dict_keys(dict) == None
        typed_dict_keys(Other) == None
    """
    if isinstance(td, _TypedDictMeta):
        return td.__annotations__.copy()
    return None
If td is a TypedDict class, return a dictionary mapping the typed keys to types.
    Otherwise, return None. Examples::

        class TD(TypedDict):
            x: int
            y: int
        class Other(dict):
            x: int
            y: int

        typed_dict_keys(TD) == {'x': int, 'y': int}
        typed_dict_keys(dict) == None
        typed_dict_keys(Other) == None
    
Solutions/CyberArkAudit/Data Connectors/.python_packages/lib/site-packages/azure/functions/_thirdparty/typing_inspect.py