docs: function (callback) {
              var customization = this.checkApplicationSettings("customization");
              // if the descriptor path has changed or a json object has been passed reload it
              if (customization
                      && (customization.descriptor !== this._customizationDescriptor || ariaUtilsType.isObject(customization.descriptor))) {
                  // the path to the customization descriptor has changed, reload it
                  this._customizationDescriptor = customization.descriptor;
                  this.reloadCustomizationDescriptor();
              }
              this.$callback(callback);
          }