message: Add kind property
diff: "readOnly": true,
  "type": "string",
  "description": "A unique read-only string that changes whenever the resource is updated."
  + },
  + "kind": {
  + "readOnly": true,
  + "type": "string",
  + "description": "Kind of service endpoint policy. This is metadata used for the Azure portal experience."
  }
  },
  "allOf": [
  