code: @SuppressWarnings("unchecked")
      @Override
      public String execute() {
          User sfsUser = CommandUtil.getSfsUser(userToKick, api);
          User sfsMod = (modUser != null)
                  ? CommandUtil.getSfsUser(modUser, api) : null;
          api.kickUser(sfsUser, sfsMod, kickMessage, delaySeconds);
          return userToKick;
      }
docs: /* (non-Javadoc)
  @see com.lagente.core.command.BaseCommand#execute()