[docs]    @classmethod
    def get_lc_namespace(cls) -> List[str]:
        return cls.__module__.split(".")[:-1]
[docs]    def invoke(
        self, input: RouterInput, config: Optional[RunnableConfig] = None
    ) -> Output:
        key = input["key"]
        actual_input = input["input"]
        if key not in self.runnables:
            raise ValueError(f"No runnable associated with key '{key}'")
        runnable = self.runnables[key]
        return runnable.invoke(actual_input, config)
[docs]    async def ainvoke(
        self,
        input: RouterInput,
        config: Optional[RunnableConfig] = None,
        **kwargs: Optional[Any],
    ) -> Output:
        key = input["key"]
        actual_input = input["input"]
        if key not in self.runnables:
            raise ValueError(f"No runnable associated with key '{key}'")
        runnable = self.runnables[key]
        return await runnable.ainvoke(actual_input, config)
[docs]    def batch(
        self,
        inputs: List[RouterInput],
        config: Optional[Union[RunnableConfig, List[RunnableConfig]]] = None,
        *,
        return_exceptions: bool = False,
        **kwargs: Optional[Any],
    ) -> List[Output]:
        if not inputs:
            return []
        keys = [input["key"] for input in inputs]
        actual_inputs = [input["input"] for input in inputs]
        if any(key not in self.runnables for key in keys):
            raise ValueError("One or more keys do not have a corresponding runnable")
        def invoke(
            runnable: Runnable, input: Input, config: RunnableConfig