code: function StorageServiceClient(storageAccount, storageAccessKey, host, usePathStyleUri, sas, token) {
    StorageServiceClient['super_'].call(this);
  
    if(storageAccount && storageAccessKey) {
      // account and key
      this.storageAccount = storageAccount;
      this.storageAccessKey = storageAccessKey;
      this.storageCredentials = new SharedKey(this.storageAccount, this.storageAccessKey, usePathStyleUri);
    } else if (sas) {
      // sas
      this.sasToken = sas;
      this.storageCredentials = new SharedAccessSignature(sas);
    } else if (token) {
      // access token
      this.token = token;
      this.storageCredentials = new TokenSigner(token);
    } else {
      // anonymous
      this.anonymous = true;
      this.storageCredentials = {
        signRequest: function(webResource, callback){
          // no op, anonymous access
          callback(null);
        }
      };
    }
  
    if(host){
      this.setHost(host);
    }
  
    this.apiVersion = HeaderConstants.TARGET_STORAGE_VERSION;
    this.usePathStyleUri = usePathStyleUri;
  
    this._initDefaultFilter();
  
    /**
     * The logger of the service. To change the log level of the services, set the `[logger.level]{@link Logger#level}`.
     * @name StorageServiceClient#logger
     * @type Logger
     * */
    this.logger = new Logger(Logger.LogLevels.INFO);
  
    this._setDefaultProxy();
  
    this.xml2jsSettings = StorageServiceClient._getDefaultXml2jsSettings();
    this.defaultLocationMode = StorageUtilities.LocationMode.PRIMARY_ONLY;
  }
docs: Creates a new StorageServiceClient object.
  
  @class
  The StorageServiceClient class is the base class of all the service classes.
  @constructor
  @param {string} storageAccount           The storage account.
  @param {string} storageAccessKey         The storage access key.
  @param {object} host                     The host for the service.
  @param {bool}   usePathStyleUri          Boolean value indicating wether to use path style uris.
  @param {string} sas                      The Shared Access Signature string.
  @param {TokenCredential} [token]         The {@link TokenCredential} object, which can be created with an OAuth access token string.