code: protected String getBulkUID(Map<String,String> parameters)
      {
          String group = (String)parameters.get("group");
          return StringUtil.isEmpty(group) ? "PAGE" : group;
      }
docs: <p>getBulkUID.</p>
  
  @param parameters a {@link java.util.Map} object.
  @return a {@link java.lang.String} object.