@Override
                                public void completed() {
                                    contentReadCompletion.complete(null);
                                }
Reads request content from a Jetty {@link Request} and writes it to the {@link ContentChannel}
returned by the {@link com.yahoo.jdisc.handler.RequestHandler}.

@author bjorncs
container-core/src/main/java/com/yahoo/jdisc/http/server/jetty/JettyRequestContentReader.java