code: function (status, id) {
              this.$assert(1200, id != null);
              if (status) {
                  this.__loadingOverlays.push(id);
              } else {
                  ariaUtilsArray.remove(this.__loadingOverlays, id);
              }
          }
docs: Register a processing indicator, either around a DomElementWrapper or a SectionWrapper. This function
  necessary to know which are the visible indicators during a refresh.
  @param {Boolean} status if the indicator is visible or not
  @param {String} id Unique indicator identifier