docs: def get_template_node_arguments(cls, tokens):
          """
          Return the arguments taken from the templatetag that will be used to the
          Node class.
          Take a list of all tokens and return a list of real tokens. Here
          should be done some validations (number of tokens...) and eventually
          some parsing...
          """
          if len(tokens) < 3:
              raise template.TemplateSyntaxError(
                  "'%r' tag requires at least 2 arguments." % tokens[0])
          return tokens[1], tokens[2], tokens[3:]