public void deliverReply(Reply reply, ReplyHandler handler) {
        if (destroyed.get()) {
            reply.discard();
        } else {
            handler.handleReply(reply);
        }
    }
<p>Convenience method to post a {@link Task} that delivers a {@link
Reply} to a {@link ReplyHandler} to the queue of tasks to be
executed.</p>

@param reply   The reply to return.
@param handler The handler to return to.
messagebus/src/main/java/com/yahoo/messagebus/Messenger.java