text: (() => {
  
      /**
       * @module layoutService
       * @memberof app.layout
       *
       * @description
       * The `layoutService` service works as a UI-manager for the rest of the application. `layoutService` exposes services for individual components that can be called.
       */
      angular
          .module('app.layout')
          .factory('layoutService', layoutService);
  
      function layoutService(sideNavigationService, mapNavigationService) {
          const service = {
              /**
               * Exposes sideNavigationSerivce
               * @member sidenav
               * @see sideNavigationSerivce
               */
              sidenav: sideNavigationService,
              /**
               * Exposes mapNavigationService
               * @member mapnav
               * @see mapNavigationService
               */
              mapnav: mapNavigationService,
              // FIXME explain how the two members below are different from those in storageService
              panels: {},
              panes: {} // registry for content pane nodes
          };
  
          return service;
  
      }
  })();
  