src/dubbo/proxy/handlers.py [86:110]:
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        cls,
        method: Callable,
        method_name: Optional[str] = None,
        request_deserializer: Optional[DeserializingFunction] = None,
        response_serializer: Optional[SerializingFunction] = None,
    ):
        """
        Create a client stream method handler
        :param method: the method.
        :type method: Callable
        :param method_name: the method name. If not provided, the method name will be used.
        :type method_name: Optional[str]
        :param request_deserializer: the request deserializer.
        :type request_deserializer: Optional[DeserializingFunction]
        :param response_serializer: the response serializer.
        :type response_serializer: Optional[SerializingFunction]
        :return: the client stream method handler.
        :rtype: RpcMethodHandler
        """
        return cls(
            MethodDescriptor(
                callable_method=method,
                method_name=method_name or method.__name__,
                arg_serialization=(None, request_deserializer),
                return_serialization=(response_serializer, None),
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src/dubbo/proxy/handlers.py [117:141]:
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        cls,
        method: Callable,
        method_name: Optional[str] = None,
        request_deserializer: Optional[DeserializingFunction] = None,
        response_serializer: Optional[SerializingFunction] = None,
    ):
        """
        Create a server stream method handler
        :param method: the method.
        :type method: Callable
        :param method_name: the method name. If not provided, the method name will be used.
        :type method_name: Optional[str]
        :param request_deserializer: the request deserializer.
        :type request_deserializer: Optional[DeserializingFunction]
        :param response_serializer: the response serializer.
        :type response_serializer: Optional[SerializingFunction]
        :return: the server stream method handler.
        :rtype: RpcMethodHandler
        """
        return cls(
            MethodDescriptor(
                callable_method=method,
                method_name=method_name or method.__name__,
                arg_serialization=(None, request_deserializer),
                return_serialization=(response_serializer, None),
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