code: public void addDeleted(CmsClientSitemapEntry entry) {
  
          if (!(entry.isNew() && CmsStringUtil.isEmptyOrWhitespaceOnly(entry.getVfsPath()))) {
              removeDeleted(entry.getId().toString());
              getDeleted().insertItem(createDeletedItem(entry), 0);
          }
          removeModified(entry.getId().toString());
          m_clipboardButton.enableClearDeleted(true);
      }
docs: Adds an deleted entry.<p>
  
  @param entry the deleted entry