<description>
    A test plugin to assist testing of Maven core.
  </description>
  <inceptionYear>2009</inceptionYear>

  <distributionManagement>
    <repository>
      <id>maven-core-it</id>
      <url>file:///${basedir}/repo</url>
    </repository>
  </distributionManagement>

  <properties>
    <maven.test.skip>true</maven.test.skip>
    <updateReleaseInfo>true</updateReleaseInfo>

  <description>
    A test plugin to assist testing of Maven core.
  </description>
  <inceptionYear>2009</inceptionYear>

  <distributionManagement>
    <repository>
      <id>maven-core-it</id>
      <url>file:///${basedir}/repo</url>
    </repository>
  </distributionManagement>

  <properties>
    <maven.test.skip>true</maven.test.skip>
    <updateReleaseInfo>true</updateReleaseInfo>

  <description>
    A test plugin to assist testing of Maven core.
  </description>
  <inceptionYear>2009</inceptionYear>

  <distributionManagement>
    <repository>
      <id>maven-core-it</id>
      <url>file:///${basedir}/repo</url>
    </repository>
  </distributionManagement>

  <properties>
    <maven.test.skip>true</maven.test.skip>
    <updateReleaseInfo>true</updateReleaseInfo>

import javax.inject.Named;
import javax.inject.Singleton;

/**
 * {@code site} lifecycle provider.
 */
@Named(SiteLifecycleProvider.LIFECYCLE_ID)
@Singleton
public final class SiteLifecycleProvider extends AbstractLifecycleProvider {
    static final String LIFECYCLE_ID = "site";

    // START SNIPPET: site
    private static final String[] PHASES = {"pre-site", "site", "post-site", "site-deploy"};

      </plugin>
    </plugins>
  </build>

  <profiles>
    <profile>
      <!-- an active but empty profile to ensure profile injection does not interfere with plugin configuration -->
      <id>parent</id>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
    </profile>
  </profiles>

class Graph {
    private enum DfsState {
        VISITING,
        VISITED
    }

    final Map<String, Vertex> vertices = new LinkedHashMap<>();

    public Vertex getVertex(String id) {
        return vertices.get(id);
    }

    public Collection<Vertex> getVertices() {
        return vertices.values();
    }

    Vertex addVertex(String label) {
        return vertices.computeIfAbsent(label, Vertex::new);

      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin</artifactId>
        <version>0.1</version>
        <executions>
          <execution>
            <id>remote-resources</id>
            <goals>
              <goal>xpp3-writer</goal>
              <goal>java</goal>
              <goal>xpp3-reader</goal>
            </goals>
            <configuration>

                null /* artifacts */);

        this.providedArtifacts = exports.getExportedArtifacts();
    }

    private ClassRealm newRealm(String id) {
        synchronized (world) {
            String realmId = id;

            Random random = new Random();

            while (true) {
                try {
                    ClassRealm classRealm = world.newRealm(realmId, null);

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven-test</groupId>
  <artifactId>maven-test-a</artifactId>
  <packaging>jar</packaging>
  <version>1.0</version>
  <repositories>
    <repository>
      <id>central</id>
      <name>Fake Maven Central Repository</name>
      <url>file://dummy</url>
    </repository>
  </repositories>

findResources(String) throws java.io.IOException; public void display(); } org/codehaus/classworlds/DuplicateRealmExcept.class package org.codehaus.classworlds; public synchronized class DuplicateRealmExcept extends ClassWorldException { private String id; public void DuplicateRealmExcept(ClassWorld, String); public String getId(); } org/codehaus/classworlds/Launcher.class package org.codehaus.classworlds; public synchronized class Launcher extends org.codehaus.plexus.classworlds.launcher.Launcher {...