message: [synapse] Mark 'sparkJobs' as nullable
  ```System.Text.Json.JsonException : A property 'sparkJobs' defined as non-nullable but received as null from the service. This exception only happens in DEBUG builds of the library and would be ignored in the release build```
diff: "type": "array",
  "items": {
  "$ref": "#/definitions/SparkJob"
  - }
  + },
  + "x-nullable": true
  }
  }
  },
  