@Override
            public void produceRequest(final RequestChannel channel, final HttpContext context) throws HttpException, IOException {
                requestProducer.sendRequest(channel, context);
            }
This example demonstrates a full-duplex, streaming HTTP/2 message exchange.
httpclient5/src/test/java/org/apache/hc/client5/http/examples/AsyncClientH2FullDuplexExchange.java