code: function showBusyIndicator(updateCursor) {
          if (!_init) {
              console.error("StatusBar API invoked before status bar created");
              return;
          }
  
          if (updateCursor) {
              _busyCursor = true;
              $("*").addClass("busyCursor");
          }
  
          $busyIndicator.addClass("spin");
      }
docs: Shows the 'busy' indicator
  @param {boolean} updateCursor Sets the cursor to "wait"