Map<String, ClassLoader> foreignImports = calcImports(project, parent, imports, v4api);

            PluginRealmCache.Key cacheKey = pluginRealmCache.createKey(
                    plugin,
                    parent,
                    foreignImports,
                    filter,
                    project.getRemotePluginRepositories(),

<project>
  <modelVersion>4.0.0</modelVersion>

  <groupId>lifecycle-participant-reactor-dependency-injection</groupId>
  <artifactId>parent</artifactId>
  <version>1.0</version>
  <packaging>pom</packaging>

  <modules>
    <module>module-a</module>
    <module>module-b</module>
  </modules>

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-api</artifactId>
    <version>4.1.0-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-model</artifactId>

  <name>Maven 4 API :: Model</name>

    private XmlNode node;

    Xpp3DomNodePointer(XmlNode node) {
        super(null);
        this.node = node;
    }

    Xpp3DomNodePointer(NodePointer parent, XmlNode node) {
        super(parent);
        this.node = node;
    }

    @Override
    public int compareChildNodePointers(NodePointer pointer1, NodePointer pointer2) {
        XmlNode node1 = (XmlNode) pointer1.getBaseValue();

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-api</artifactId>
    <version>4.1.0-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-annotations</artifactId>
  <name>Maven 4 API :: Meta annotations</name>

  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>inheritance</groupId>
    <artifactId>empty</artifactId>
    <version>1</version>
  </parent>
  <groupId>inheritance</groupId>
  <artifactId>child</artifactId>
  <version>1</version>
  <url></url>
  <scm>
    <connection></connection>

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven</artifactId>
    <version>4.0.0-alpha-1-SNAPSHOT</version>
  </parent>

  <artifactId>maven-model</artifactId>

  <name>Maven Model</name>
  <description>Model for Maven POM (Project Object Model)</description>

     * <ul>
     *   <li>File sources resolve against their parent directory</li>
     *   <li>URL sources resolve against their base URL</li>
     *   <li>Other sources may not support resolution and return null</li>
     * </ul>
     * <p>
     * The implementation must handle:
     * <ul>
     *   <li>Both forward and back slashes as path separators</li>
     *   <li>Parent directory references (..)</li>

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-api</artifactId>
    <version>4.1.0-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-di</artifactId>
  <name>Maven 4 API :: Dependency Injection</name>
  <description>Maven 4 API - Dependency Injection</description>

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-api</artifactId>
    <version>4.1.0-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-xml</artifactId>
  <name>Maven 4 API :: XML</name>
  <description>Maven 4 API - Immutable XML.</description>