docs: public void clearBookmarkFilters(String strKeyName, Object objKeyData)
      {
          Map<String,Object> properties = new Hashtable<String,Object>();
          properties.put(GridRecordMessageFilter.ADD_BOOKMARK, GridRecordMessageFilter.CLEAR_BOOKMARKS);
          if (objKeyData != null)
          {
              properties.put(GridRecordMessageFilter.SECOND_KEY_HINT, strKeyName);
              properties.put(strKeyName, objKeyData);
          }
          m_recordMessageFilter.updateFilterMap(properties);
      }