code: @Exported(name="jobs")
      public List<TopLevelItem> getItems() {
          List<TopLevelItem> viewableItems = new ArrayList<>();
          for (TopLevelItem item : items.values()) {
              if (item.hasPermission(Item.READ))
                  viewableItems.add(item);
          }
  
          return viewableItems;
      }
docs: Gets just the immediate children of {@link Jenkins}.
  
  @see #getAllItems(Class)