docs: public void freeFiltersWithSource(Object objSource)
      {
          Object[] rgFilter = m_mapFilters.values().toArray();
          for (int i = 0; i < rgFilter.length; i++)
          {
              BaseMessageFilter filter = (BaseMessageFilter)rgFilter[i];
              if (filter.getMessageSource() == objSource)
                  filter.free();
          }
      }