private EmptyImmutableListMultimap() {
    super(ImmutableMap.of(), 0);
  }

  /*
   * TODO(b/242884182): Figure out why this helps produce the same class file when we compile most
   * of common.collect a second time with the results of the first compilation on the classpath. Or
   * just back this out once we stop doing that (which we'll do after our internal GWT setup
   * changes).
   */

     *
     * @param directive The directive to add to the robots.txt rules
     */
    public void addDirective(final Directive directive) {
        directiveMap.put(Pattern.compile(directive.getUserAgent().replace("*", ".*"), Pattern.CASE_INSENSITIVE), directive);
    }

    /**
     * Adds a sitemap URL to the list of sitemaps.
     *
     * @param url The URL of the sitemap to be added

                "test-grp",
                "test-artifact-4",
                VersionRange.createFromVersion("1.0"),
                "type",
                null,
                "system",
                "compile");

        // this one should never happen in practice...
        Artifact artifact5 = factory.createDependencyArtifact(

        if ("JAR".equals(packaging)) {
            plugins = new LinkedHashSet<>();

            plugins.add(newPlugin("maven-compiler-plugin", "compile", "testCompile"));
            plugins.add(newPlugin("maven-resources-plugin", "resources", "testResources"));
            plugins.add(newPlugin("maven-surefire-plugin", "test"));

Kind types: `DOCUMENT`, `QUERY`, `USER`

---

## Development Workflow

### Build Commands

```bash
mvn compile                              # Compile
mvn test                                 # Run all tests
mvn test -Dtest=SuggesterTest           # Run specific test
mvn package                              # Package JAR

        <groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin-artifact</artifactId>
        <version>2.1-SNAPSHOT</version>
        <executions>
          <execution>
            <id>compile</id>
            <phase>initialize</phase>
            <goals>
              <goal>set</goal>
            </goals>
            <configuration>
              <mainFile>dependency-classes</mainFile>

     */
    public static PrunedTag[] parse(final String value) {
        return split(value, ",").get(stream -> stream.filter(StringUtil::isNotBlank).map(v -> {
            final Pattern pattern = Pattern.compile("(\\w+)(\\[[^\\]]+\\])?(\\.[\\w\\-]+)?(#[\\w\\-]+)?");
            final Matcher matcher = pattern.matcher(v.trim());
            if (matcher.matches()) {
                final PrunedTag tag = new PrunedTag(matcher.group(1));

class ComparableVersionIT {

    @Test
    void test() throws Exception {
        Files.walkFileTree(Paths.get("target"), new SimpleFileVisitor<Path>() {
            Pattern mavenArtifactJar = Pattern.compile("maven-artifact-[\\d.]+(-SNAPSHOT)?\\.jar");

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {

     */
    public synchronized void addIncludeUrlPattern(final String sessionId, final String url) {
        final List<Pattern> patternList = getIncludeUrlPatternList(sessionId);
        patternList.add(Pattern.compile(url));
    }

    /**
     * Returns the list of include URL patterns for the specified session.
     * Creates a new list if one doesn't exist.
     * @param sessionId the session ID

                new File("src/test/projects/lifecycle-dependency-resolver/pom.xml"), new Properties(), true);
        Collection<String> scopesToCollect = null;
        Collection<String> scopesToResolve = Collections.singletonList("compile");
        boolean aggregating = false;

        Set<Artifact> reactorArtifacts = new HashSet<>(3);
        for (MavenProject reactorProject : session.getProjects()) {