mmy fallback overloads with FieldDescriptor are for backward compatibility with
    # mypy-protobuf <= 1.23. We can drop them a few months after 1.24 releases.
    @overload
    def HasExtension(self: _M, extension_handle: _ExtensionFieldDescriptor[_M, Any]) -> bool: ...
    @overload
    def HasExtension(self, extension_handle: FieldDescriptor) -> bool: ...
    @overload
    def ClearExtension(self: _M, extension_handle: _ExtensionFieldDescriptor[_M, Any]) -> None: ...
    @overload
    def ClearExtension(self, extension_handle: FieldDescriptor) -> None: ...
    def ByteSize(self) -> int: ...
    @classmethod
    def FromString(cls: Type[_M], s: _Serialized) -> _M: ...
    @property
    def Extensions(self: _M) -> _ExtensionDict[_M]: ...
    # Intentionally left out typing on these three methods, because they are
    # stringly typed and it is not useful to call them on a Message directly.
    # We prefer more specific typing on individual subclasses of Message
    # See https://github.com/dropbox/mypy-protobuf/issues/62 for details
    def HasField(self, field_name: Any) -> bool: ...
    def ClearField(self, field_name: Any) -> None: ...
    def WhichOneof(self, oneof_group: Any) -> Any: ...
    # TODO: check kwargs
    def __init__(self, **kwargs) -> None: ...
PK