message: ADLS Gen 2 support for HDI BYOC and vNet support for HDI on demand
diff: "isEspEnabled": {
  "type": "object",
  "description": "Specify if the HDInsight is created with ESP (Enterprise Security Package). Type: Boolean."
  + },
  + "fileSystem": {
  + "type": "object",
  + "description": "Specify the FileSystem if the main storage for the HDInsight is ADLS Gen2. Type: string (or Expression with resultType string)."
  }
  },
  "required": [
  "items": {
  "$ref": "#/definitions/ScriptAction"
  }
  + },
  + "virtualNetworkId": {
  + "type": "object",
  + "description": "The ARM resource ID for the vNet to which the cluster should be joined after creation. Type: string (or Expression with resultType string)."
  + },
  + "subnetName": {
  + "type": "object",
  + "description": "The ARM resource ID for the subnet in the vNet. If virtualNetworkId was specified, then this property is required. Type: string (or Expression with resultType string)."
  }
  },
  "required": [
  