langchain/tools/zapier/tool.py/ZapierNLARunAction/_arun
class ZapierNLARunAction:    async def _arun(
        self,
        _: str,
        run_manager: Optional[AsyncCallbackManagerForToolRun] = None,
    ) -> str:
        """Use the Zapier NLA tool to return a list of all exposed user actions."""
        raise NotImplementedError("ZapierNLAListActions does not support async")