protected RequestDispatcher createRequestDispatcher() {
        return new RequestDispatcher((SynchronousDispatcher) deployment.getDispatcher(),
            deployment.getProviderFactory(), domain);
    }
Add child options to the {@link io.netty.bootstrap.ServerBootstrap}.

@param channelOptions the additional child {@link io.netty.channel.ChannelOption}s.
@see io.netty.bootstrap.ServerBootstrap#childOption(io.netty.channel.ChannelOption, Object)
remoting/remoting-resteasy/src/main/java/com/alipay/sofa/rpc/server/rest/SofaNettyJaxrsServer.java