code: public ChannelBuffer formatDropCachesV1(final Map<String, String> response) {
      throw new BadRequestException(HttpResponseStatus.NOT_IMPLEMENTED, 
          "The requested API endpoint has not been implemented", 
          this.getClass().getCanonicalName() + 
          " has not implemented formatDropCachesV1");
    }
docs: Format a response from the DropCaches call
  @param response A hash map with a response
  @return A ChannelBuffer object to pass on to the caller
  @throws BadRequestException if the plugin has not implemented this method