docs: private void updateLevel() {
  
          @SuppressWarnings("unchecked")
          List<Logger> logger = (List<Logger>)m_container.getItemIds();
  
          for (Logger item : logger) {
              m_container.getItem(item).getItemProperty(TableColumn.Level).setValue(LoggerLevel.fromLogger(item));
          }
          resetPageBuffer();
          refreshRenderedCells();
          refreshRowCache();
      }