code: protected void onKeepAliveResponse(ChannelHandlerContext ctx, CouchbaseResponse keepAliveResponse) {
          if (traceEnabled) {
              LOGGER.trace(logIdent(ctx, endpoint) + "keepAlive was answered, status "
                      + keepAliveResponse.status());
          }
      }
docs: Override to customize the behavior when a keep alive has been responded to.
  
  The default behavior is to log the event and the response status at trace level.
  
  @param ctx the channel context.
  @param keepAliveResponse the keep alive request that was sent when keep alive was triggered