@Override
public void configureNewPipeline(ChannelPipeline pipeline) {
serverPipelineConfigurator.configureNewPipeline(pipeline);
pipeline.addLast(SSE_ENCODER_HANDLER_NAME, SERVER_SENT_EVENT_ENCODER);
pipeline.addLast(SSE_RESPONSE_HEADERS_COMPLETER, new ChannelOutboundHandlerAdapter() {
@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
if (HttpServerResponse.class.isAssignableFrom(msg.getClass())) {
@SuppressWarnings("rawtypes")
HttpServerResponse rxResponse = (HttpServerResponse) msg;