docs: protected void fillContainer(boolean showIndirect) {
  
          m_container.removeAllContainerFilters();
          m_container.removeAllItems();
          for (CmsGroup group : m_groups) {
              if (!m_indirects.contains(group)) {
                  Item item = m_container.addItem(group);
                  m_app.fillGroupItem(item, group, m_indirects);
              }
          }
          if (showIndirect) {
              for (CmsGroup group : m_indirects) {
                  Item item = m_container.addItem(group);
                  m_app.fillGroupItem(item, group, m_indirects);
              }
          }
      }