GeminiResponse

{
    "candidates": [
        {
            "content": {
                "role": "string",
                "parts": [
                    {
                        "text": "string"
                    }
                ]
            },
            "finishReason": "string"
        }
    ],
    "usageMetadata": {
        "promptTokenCount": 0,
        "candidatesTokenCount": 0,
        "totalTokenCount": 0,
        "thoughtsTokenCount": 0
    }
}