{
  "article_id": "A031",
  "synthetic": true,
  "input_ids": [
    "r1",
    "r2",
    "r3"
  ],
  "success": [
    {
      "custom_id": "r1",
      "response": {
        "status_code": 200
      }
    }
  ],
  "errors": [
    {
      "custom_id": "r2",
      "error": {
        "code": "demo_error"
      }
    }
  ],
  "extra": [
    {
      "custom_id": "r1",
      "response": {
        "status_code": 200
      }
    },
    {
      "custom_id": "rx",
      "error": {
        "code": "demo"
      }
    }
  ],
  "expected": {
    "missing": [
      "r3"
    ],
    "duplicate": [
      "r1"
    ],
    "unknown": [
      "rx"
    ]
  }
}