code: public ChannelBuffer formatFilterConfigV1(
        final Map<String, Map<String, String>> config) {
      throw new BadRequestException(HttpResponseStatus.NOT_IMPLEMENTED, 
          "The requested API endpoint has not been implemented", 
          this.getClass().getCanonicalName() + 
          " has not implemented formatFilterConfigV1");
    }
docs: Format the loaded filter configurations
  @param config The filters to serialize
  @return A ChannelBuffer object to pass on to the caller
  @throws BadRequestException if the plugin has not implemented this method