langchain/tools/azure_cognitive_services/form_recognizer.py/AzureCogsFormRecognizerTool/_arun
class AzureCogsFormRecognizerTool:    async def _arun(
        self,
        query: str,
        run_manager: Optional[AsyncCallbackManagerForToolRun] = None,
    ) -> str:
        """Use the tool asynchronously."""
        raise NotImplementedError("AzureCogsFormRecognizerTool does not support async")