boolean lowerBoundInclusive = spec.startsWith("[");
        boolean upperBoundInclusive = spec.endsWith("]");

        String process = spec.substring(1, spec.length() - 1).trim();

        Restriction restriction;

        int index = process.indexOf(',');

        if (index < 0) {
            if (!lowerBoundInclusive || !upperBoundInclusive) {

        public void addArtifact(ArtifactSpec spec) {
            artifacts.put(getKey(spec.artifact), spec);

            String key = spec.artifact.getDependencyConflictId();
            List<ArtifactVersion> artifactVersions = versions.computeIfAbsent(key, k -> new ArrayList<>());
            if (spec.artifact.getVersion() != null) {
                artifactVersions.add(new DefaultArtifactVersion(spec.artifact.getVersion()));
            }

        assertSame(range, VersionRange.createFromVersionSpec("[1.0,1.2]")); // same instance from spec cache

        VersionRange spec = VersionRange.createFromVersionSpec("1.0");
        assertSame(spec, VersionRange.createFromVersionSpec("1.0")); // same instance from spec cache
        List<Restriction> restrictions = spec.getRestrictions();
        assertEquals(1, restrictions.size(), CHECK_NUM_RESTRICTIONS);

    }

    private Version parseVersion(String spec) {
        try {
            return versionScheme.parseVersion(spec);
        } catch (InvalidVersionSpecificationException e) {
            throw new RuntimeException(e);
        }
    }

    private VersionRange parseVersionRange(String spec) {
        try {
            return versionScheme.parseVersionRange(spec);

    }

    /**
     * This is used for pom-less execution like running archetype:generate. I am taking out the profile handling and the
     * interpolation of the base directory until we spec this out properly.
     */
    public MavenProject buildStandaloneSuperProject(ProjectBuilderConfiguration configuration)
            throws ProjectBuildingException {

      <artifactId>mercury-mp3-cli</artifactId>
        <version>${mercuryMp3Version}</version>
      </dependency>
      <dependency>
        <groupId>org.codehaus.plexus</groupId>
        <artifactId>plexus-sec-dispatcher</artifactId>
        <version>${securityDispatcherVersion}</version>
      </dependency>


      <!--  Mercury test dependencies -->
      <dependency>

      <artifactId>mercury-mp3-cli</artifactId>
        <version>${mercuryMp3Version}</version>
      </dependency>
      <dependency>
        <groupId>org.codehaus.plexus</groupId>
        <artifactId>plexus-sec-dispatcher</artifactId>
        <version>${securityDispatcherVersion}</version>
      </dependency>


      <!--  Mercury test dependencies -->
      <dependency>

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