def METHOD_NAME(self, *items: Any):
    """Tries to add a sequence of ascending items to the order tester.
    This methods asserts that items must all be ascending
    with regard to both each other and the elements which have been already
    added during previous calls.
    Some of the previously added elements might be equivalence groups,
    which are supposed to be equal to each other within that group.
    Args:
      *items: The sequence of strictly ascending items.
    Raises:
        AssertionError: Items are not ascending either
            with regard to each other, or with regard to the elements
            which have been added before.
    """
    for item in items:
        self.add_ascending_equivalence_group(item)