* {@code create(Iterable<? extends E>)}, returning a multiset containing the given initial
 * elements. This is simply a refinement of {@code Collection}'s constructor recommendations,
 * reflecting the new developments of Java 5.
 *
 * <p>As with other collection types, the modification operations are optional, and should throw

        assertNull(range.getRecommendedVersion(), CHECK_VERSION_RECOMMENDATION);
        assertFalse(range.isSelectedVersionKnown(artifact), CHECK_SELECTED_VERSION_KNOWN);
        assertNull(range.getSelectedVersion(artifact), CHECK_SELECTED_VERSION);

        range = VersionRange.createFromVersionSpec("1.0");
        assertEquals("1.0", range.getRecommendedVersion().toString(), CHECK_VERSION_RECOMMENDATION);
        restrictions = range.getRestrictions();