def METHOD_NAME() -> None:
    matches = np.array([])
    m1 = np.array([], dtype=bool)
    m2 = np.array([], dtype=bool)
    res = matching.unfilter_matches(matches, m1, m2)
    assert len(res) == 0
    matches = np.array([[0, 2], [2, 1]])
    i1 = np.array([False, False, False, True, False, True, False, True, False])
    i2 = np.array([False, False, False, False, True, False, True, False, True])
    res = matching.unfilter_matches(matches, i1, i2)
    assert len(res) == 2
    assert res[0][0] == 3
    assert res[0][1] == 8
    assert res[1][0] == 7
    assert res[1][1] == 6