message: Add x-ms-identifiers for datadog
diff: "type": "array",
  "items": {
  "$ref": "#/definitions/DatadogApiKey"
  - }
  + },
  + "x-ms-identifiers": [
  + "name"
  + ]
  },
  "nextLink": {
  "description": "Link to the next set of results, if any.",
  "type": "array",
  "items": {
  "$ref": "#/definitions/DatadogHost"
  - }
  + },
  + "x-ms-identifiers": [
  + "name"
  + ]
  },
  "nextLink": {
  "description": "Link to the next set of results, if any.",
  "type": "array",
  "items": {
  "$ref": "#/definitions/OperationResult"
  - }
  + },
  + "x-ms-identifiers": [
  + "name"
  + ]
  },
  "nextLink": {
  "description": "URL to get the next set of operation list results if there are any.",
  "type": "array",
  "items": {
  "$ref": "#/definitions/FilteringTag"
  - }
  + },
  + "x-ms-identifiers": [
  + "name"
  + ]
  }
  }
  },
  "type": "array",
  "items": {
  "$ref": "#/definitions/FilteringTag"
  - }
  + },
  + "x-ms-identifiers": [
  + "name"
  + ]
  }
  }
  },
  