ResponsesStreamResponse

{
    "type": "string",
    "response": {
        "id": "string",
        "object": "response",
        "created_at": 0,
        "status": "completed",
        "model": "string",
        "output": [
            {
                "type": "string",
                "id": "string",
                "status": "string",
                "role": "string",
                "content": [
                    {
                        "type": "string",
                        "text": "string"
                    }
                ]
            }
        ],
        "usage": {
            "completion_tokens": 108900,
            "total_tokens": 108900,
            "tool_usage": {
                "web_search": 0,
                "property1": "string",
                "property2": "string"
            },
            "property1": "string",
            "property2": "string"
        }
    },
    "delta": "string",
    "item": {}
}