code: @SuppressWarnings("unchecked")
      @Override
      public Boolean execute() {
          User user = CommandUtil.getSfsUser(username, api);
          api.disconnectUser(user, new IDisconnectionReason() {
              
              @Override
              public int getValue() {
                  return getByteValue();
              }
              
              @Override
              public byte getByteValue() {
                  return reasonId;
              }
          });
          return Boolean.TRUE;
      }
docs: /* (non-Javadoc)
  @see com.tvd12.ezyfox.core.command.BaseCommand#execute()