{
  "expression": [
    "number-format",
    123456.789,
    {}
  ],
  "inputs": [
    [{}, {}]
  ],
  "expected": {
    "compiled": {
      "result": "success",
      "isFeatureConstant": true,
      "isZoomConstant": true,
      "type": "string"
    },
    "outputs": ["123,456.789"],
    "serialized": "123,456.789"
  }
}