assertEquals(1, restrictions.size(), CHECK_NUM_RESTRICTIONS);
        Restriction restriction = restrictions.get(0);
        assertNull(restriction.getLowerBound(), CHECK_LOWER_BOUND);
        assertFalse(restriction.isLowerBoundInclusive(), CHECK_LOWER_BOUND_INCLUSIVE);
        assertEquals("1.0", restriction.getUpperBound().toString(), CHECK_UPPER_BOUND);
        assertTrue(restriction.isUpperBoundInclusive(), CHECK_UPPER_BOUND_INCLUSIVE);

                            lower = res2.getLowerBound();
                            lowerInclusive = res2.isLowerBoundInclusive();
                        } else if (comparison == 0) {
                            lower = res1.getLowerBound();
                            lowerInclusive = res1.isLowerBoundInclusive() && res2.isLowerBoundInclusive();
                        } else {
                            lower = res1.getLowerBound();

        this.upperBound = upperBound;
        this.upperBoundInclusive = upperBoundInclusive;
    }

    public ArtifactVersion getLowerBound() {
        return lowerBound;
    }

    public boolean isLowerBoundInclusive() {
        return lowerBoundInclusive;
    }

    public ArtifactVersion getUpperBound() {
        return upperBound;
    }

    public boolean isUpperBoundInclusive() {