GeminiContent

{
    "role": "user",
    "parts": [
        {
            "text": "保持人物不变，把背景替换为夜晚的东京街头",
            "inlineData": {
                "mimeType": "image/png",
                "data": "string"
            },
            "fileData": {
                "mimeType": "image/png",
                "fileUri": "http://example.com"
            },
            "thought": true,
            "thoughtSignature": "string"
        }
    ]
}