channel.seedream.v4.SeedreamGenerateImageResponse(* seedream-4.0 图像生成响应)

{
    "model": "string",
    "created": "string",
    "data": [
        {
            "url": "string",
            "b64_json": "string",
            "size": "string",
            "error": {
                "code": "string",
                "message": "string"
            }
        }
    ],
    "usage": {
        "generated_images": 0,
        "output_tokens": 0,
        "total_tokens": 0
    },
    "error": {
        "code": "string",
        "message": "string"
    }
}