message: Custom Library support in Spark pool
  This is to select libraries to be included in the spark pool.
diff: "type": "boolean",
  "description": "Whether compute isolation is required or not."
  },
  + "sessionLevelPackagesEnabled": {
  + "type": "boolean",
  + "description": "Whether session level library/package management is enabled or not."
  + },
  "sparkEventsFolder": {
  "type": "string",
  "description": "The Spark events folder"
  "$ref": "#/definitions/LibraryRequirements",
  "description": "Library version requirements"
  },
  + "customLibraries": {
  + "description": "List of custom libraries/packages associated with the spark pool.",
  + "type": "array",
  + "items": {
  + "$ref": "#/definitions/LibraryInfo"
  + }
  + },
  "sparkConfigProperties": {
  "$ref": "#/definitions/LibraryRequirements",
  "description": "Spark configuration file to specify additional properties"
  }
  }
  },
  + "LibraryInfo": {
  + "type": "object",
  + "description": "Library/package information of a Big Data pool powered by Apache Spark",
  + "title": "Information about a library/package created at the workspace level.",
  + "properties": {
  + "name": {
  + "type": "string",
  + "description": "Name of the library."
  + },
  + "path": {
  + "type": "string",
  + "description": "Storage blob path of library."
  + },
  + "containerName": {
  + "type": "string",
  + "description": "Storage blob container name."
  + },
  + "uploadedTimestamp": {
  + "type": "string",
  + "format": "date-time",
  + "description": "The last update time of the library."
  + },
  + "type": {
  + "type": "string",
  + "description": "Type of the library."
  + }
  + }
  + },
  "LibraryRequirements": {
  "type": "object",
  "description": "Library requirements for a Big Data pool powered by Apache Spark",
  