docs: @ConditionalOnMissingBean
      @ConditionalOnClass(name = {"io.netty.channel.Channel", "io.grpc.netty.NettyServerBuilder"})
      @Bean
      public NettyGrpcServerFactory nettyGrpcServerFactory(final GrpcServerProperties properties,
              final GrpcServiceDiscoverer serviceDiscoverer, final List<GrpcServerConfigurer> serverConfigurers) {
          final NettyGrpcServerFactory factory = new NettyGrpcServerFactory(properties, serverConfigurers);
          for (final GrpcServiceDefinition service : serviceDiscoverer.findGrpcServices()) {
              factory.addService(service);
          }
          return factory;
      }