@Override
        protected HttpMessage createMessage(String[] initialLine) throws Exception {
            return new NettyHttp1Request(
                    HttpVersion.valueOf(initialLine[2]),
                    HttpMethod.valueOf(initialLine[0]), initialLine[1]);
        }
Upgrades to another protocol from HTTP. Removes the {@link HttpRequestDecoder} and
{@link HttpResponseEncoder} from the pipeline.
core/src/main/java/com/linecorp/armeria/server/HttpServerCodec.java