def METHOD_NAME():
    M = StandardModelType
    M.default_parameters = {'a': 22.2, 'b': 33.3, 'c': 44.4}
    M.translations = build_translations(
        ('a', 'A'),
        ('b', 'B', 1000.0),
        ('c', 'C', 'c + a', 'C - A'),
    )
    assert M().simple_parameters() == ['a']