async def apost(
        self, url: str, params: QueryParamTypes = None, json: Any = None
    ) -> Dict:
        """
        Make an Asynchronous Request with POST Method.
        """
        response = self._preprocess("POST", url=url, params=params, json=json)
        async with httpx.AsyncClient() as aclient:
            r = await aclient.send(request=response)
        r.raise_for_status()
        return self._postprocess(r)

        Make an Asynchronous Request with POST Method.
        
llama-index-utils/llama-index-utils-qianfan/llama_index/utils/qianfan/client.py