def METHOD_NAME(qual1, qual2):
    """
    Compare START/STOP qualifiers.  This lexicographically orders by start time,
    then stop time.
    """
    return iter_lex_cmp(
        (qual1.start_time, qual1.stop_time),
        (qual2.start_time, qual2.stop_time),
        generic_constant_cmp,
    )