{
  "tests": [
    {
      "description": "query: StartAt with explicit empty map",
      "comment": "Cursor methods are allowed to use empty maps with StartAt. It should result in an empty map in the query.",
      "query": {
        "collPath": "projects/projectID/databases/(default)/documents/C",
        "clauses": [
          {
            "orderBy": {
              "path": {
                "field": [
                  "a"
                ]
              },
              "direction": "asc"
            }
          },
          {
            "startAt": {
              "jsonValues": [
                "{}"
              ]
            }
          }
        ],
        "query": {
          "from": [
            {
              "collectionId": "C"
            }
          ],
          "orderBy": [
            {
              "field": {
                "fieldPath": "a"
              },
              "direction": "ASCENDING"
            }
          ],
          "startAt": {
            "values": [
              {
                "mapValue": {
                  "fields": {}
                }
              }
            ],
            "before": true
          }
        }
      }
    }
  ]
}