code: @Override
      public <T extends ApiGameUser> List<T> in(ApiRoom room, Class<?> clazz) {
          Room sfsRoom = CommandUtil.getSfsRoom(room, extension);
          validateRoom(sfsRoom, room);
          return CommandUtil.getApiGameUserList(sfsRoom.getUserList(), clazz);
      }
docs: /* (non-Javadoc)
  @see com.tvd12.ezyfox.core.command.FetchUserList#in(com.tvd12.ezyfox.core.entities.ApiRoom, java.lang.Class)