restriction = new Restriction(lowerVersion, lowerBoundInclusive, upperVersion, upperBoundInclusive);
        }

        return restriction;
    }

    public static VersionRange createFromVersion(String version) {
        if (DefaultArtifact.empty(version)) {
            return null;
        }
        VersionRange cached = CACHE_VERSION.get(version);
        if (cached == null) {

            String type,
            String classifier,
            ArtifactHandler artifactHandler) {
        this(
                groupId,
                artifactId,
                VersionRange.createFromVersion(version),
                scope,
                type,
                classifier,
                artifactHandler,
                false);
    }

    @SuppressWarnings("checkstyle:ParameterNumber")

        List<Restriction> restrictions = spec.getRestrictions();
        assertEquals(1, restrictions.size(), CHECK_NUM_RESTRICTIONS);

        VersionRange version = VersionRange.createFromVersion("1.0");
        assertSame(version, VersionRange.createFromVersion("1.0")); // same instance from version cache
        restrictions = version.getRestrictions();
        assertEquals(0, restrictions.size(), CHECK_NUM_RESTRICTIONS);

        Artifact artifact = new DefaultArtifact(
                "sample.group",
                "sample-art",
                VersionRange.createFromVersion("1.0"),
                "scope",
                "jar",
                "classifier",
                null);
        artifact.setFile(getTestFile("target/sample-art"));

                            // note: see MNG-3454. This causes a problem, but fixing it may break more.
                            artifact.setVersionRange(VersionRange.createFromVersion(relocation.getVersion()));
                            relocatedArtifact = artifact;
                            project.setVersion(relocation.getVersion());
                        }

            String type,
            String classifier,
            String inheritedScope) {
        VersionRange versionRange = null;
        if (version != null) {
            versionRange = VersionRange.createFromVersion(version);
        }
        return createArtifactX(groupId, artifactId, versionRange, type, classifier, scope, inheritedScope);
    }

    private Artifact createArtifactX(
            String groupId,