docs: def methods(*meth):
      """
      To explicitely set the methods to use without using @route
      This can only be applied of methods. Not class.
  
      :param meth: tuple of available method
      :return:
      """
      def decorator(f):
          if not hasattr(f, '_methods_cache'):
              f._methods_cache = [m.upper() for m in meth]
          return f
      return decorator