docs: @Override
      public Object onBytes(WsRequest wsRequest, byte[] bytes, ChannelContext channelContext) throws Exception {
          log.debug("onBytes");
          TioWebsocketMethodMapper onBytes = methods.getOnBytes();
          if (onBytes != null) {
              onBytes.getMethod().invoke(onBytes.getInstance(), channelContext, bytes);
          } else {
              TioWebsocketMethodMapper onBeforeBytes = methods.getOnBeforeBytes();
              if (onBeforeBytes != null) {
                  TioWebsocketRequest invoke = (TioWebsocketRequest) onBeforeBytes.getMethod().invoke(onBeforeBytes.getInstance(), channelContext, bytes);
                  onMapEvent(invoke, channelContext);
              }
          }
          return null;
      }