code: public ServerUpdater setVoiceChannel(User user, ServerVoiceChannel channel) {
          delegate.setVoiceChannel(user, channel);
          return this;
      }
docs: Queues a moving a user to a different voice channel.
  
  @param user The user who should be moved.
  @param channel The new voice channel of the user.
  @return The current instance in order to chain call methods.