hugegraph-llm/src/hugegraph_llm/models/llms/ollama.py [105:120]:
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            if on_token_callback:
                on_token_callback(token)
            yield token

    async def agenerate_streaming(
        self,
        messages: Optional[List[Dict[str, Any]]] = None,
        prompt: Optional[str] = None,
        on_token_callback: Optional[Callable] = None,
    ) -> AsyncGenerator[str, None]:
        """Comment"""
        if messages is None:
            assert prompt is not None, "Messages or prompt must be provided."
            messages = [{"role": "user", "content": prompt}]

        try:
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hugegraph-llm/src/hugegraph_llm/models/llms/qianfan.py [85:99]:
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            if on_token_callback:
                on_token_callback(token)
            yield token

    async def agenerate_streaming(
            self,
            messages: Optional[List[Dict[str, Any]]] = None,
            prompt: Optional[str] = None,
            on_token_callback: Optional[Callable] = None,
    ) -> AsyncGenerator[str, None]:
        if messages is None:
            assert prompt is not None, "Messages or prompt must be provided."
            messages = [{"role": "user", "content": prompt}]

        try:
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