{
  "tests": [
    {
      "description": "set: non-alpha characters in map keys",
      "comment": "Create and Set treat their map keys literally. They do not escape special characters.",
      "set": {
        "docRefPath": "projects/projectID/databases/(default)/documents/C/d",
        "jsonData": "{ \"*\": { \".\": 1 }, \"~\": 2 }",
        "request": {
          "database": "projects/projectID/databases/(default)",
          "writes": [
            {
              "update": {
                "name": "projects/projectID/databases/(default)/documents/C/d",
                "fields": {
                  "*": {
                    "mapValue": {
                      "fields": {
                        ".": {
                          "integerValue": "1"
                        }
                      }
                    }
                  },
                  "~": {
                    "integerValue": "2"
                  }
                }
              }
            }
          ]
        }
      }
    }
  ]
}