parameters: (self, proto)
docstring: Copies this to a descriptor_pb2.FileDescriptorProto.
  
      Args:
        proto: An empty descriptor_pb2.FileDescriptorProto.
docstring_summary: Copies this to a descriptor_pb2.FileDescriptorProto.
docstring_tokens: Copies this to a descriptor_pb2 . FileDescriptorProto .
function: def CopyToProto(self, proto):
      """Copies this to a descriptor_pb2.FileDescriptorProto.
  
      Args:
        proto: An empty descriptor_pb2.FileDescriptorProto.
      """
      proto.ParseFromString(self.serialized_pb)
function_tokens: def CopyToProto ( self , proto ) : proto . ParseFromString ( self . serialized_pb )