async def apost_reply_stream(
        self, url: str, params: QueryParamTypes = None, json: Any = None
    ) -> AsyncIterable[Dict]:
        """
        Make an Asynchronous Request with POST Method and the response is returned in a stream.
        """
        request = self._preprocess("POST", url=url, params=params, json=json)

        async with httpx.AsyncClient() as aclient:
            r = await aclient.send(request=request, stream=True)
            r.raise_for_status()
            async for line in r.aiter_lines():
                for part in self._postprocess_stream_part(line):
                    yield part

        Make an Asynchronous Request with POST Method and the response is returned in a stream.
        
llama-index-utils/llama-index-utils-qianfan/llama_index/utils/qianfan/client.py