Demo google-services.json for https://github.com/Bruno125/Unofficial-Ups . It's enough to make the project compile (despite the "REMOVED" stuff)

google-services.json

{
  "project_info": {
    "project_number": "**REMOVED**",
    "firebase_url": "**REMOVED**",
    "project_id": "unofficial-upc",
    "storage_bucket": "unofficial-upc.appspot.com"
  },
  "client": [
    {
      "client_info": {
        "mobilesdk_app_id": "**REMOVED**",
        "android_client_info": {
          "package_name": "com.brunoaybar.unofficialupc"
        }
      },
      "oauth_client": [
        {
          "client_id": "**REMOVED**",
          "client_type": 3
        }
      ],
      "api_key": [
        {
          "current_key": "**REMOVED**"
        }
      ],
      "services": {
        "analytics_service": {
          "status": 2,
          "analytics_property": {
            "tracking_id": "**REMOVED**"
          }
        },
        "appinvite_service": {
          "status": 1,
          "other_platform_oauth_client": []
        },
        "ads_service": {
          "status": 2
        }
      }
    }
  ],
  "configuration_version": "1"
}