code: private static BinaryMemcacheRequest handleNoopRequest(final ChannelHandlerContext ctx, final NoopRequest msg) {
          BinaryMemcacheRequest request = new DefaultBinaryMemcacheRequest();
          request.setOpcode(OP_NOOP);
          return request;
      }
docs: Encodes a {@link NoopRequest} into its lower level representation.
  
  @param ctx the {@link ChannelHandlerContext} to use for allocation and others.
  @param msg the incoming message.
  @return a ready {@link BinaryMemcacheRequest}.