private final Set<String> artifacts;

    private final Set<String> packages;

    private final String key;

    private final XmlNode configuration;

    public CoreExtensionEntry(
            ClassRealm realm,
            Collection<String> artifacts,
            Collection<String> packages,
            String key,
            XmlNode configuration) {
        this.realm = realm;

        return artifacts;
    }

    /**
     * Returns packages exported by Maven core and core extensions.
     */
    public Map<String, ClassLoader> getExportedPackages() {
        return packages;
    }

     * @param parent The parent realm for the new realm, may be {@code null}.
     * @param parentImports The packages/types to import from the parent realm, may be {@code null}.
     * @param foreignImports The packages/types to import from foreign realms, may be {@code null}.
     * @param artifacts The artifacts to add to the realm, may be {@code null}. Unresolved artifacts (i.e. with a

     * This type is new in Maven 4.
     */
    String MODULAR_JAR = "modular-jar";

    /**
     * Artifact type name for source code packaged in a JAR file.
     */
    String JAVA_SOURCE = "java-source";

    /**
     * Artifact type name for javadoc packaged in a JAR file.
     */
    String JAVADOC = "javadoc";

    /**
     * Artifact type name for a Maven plugin.
     */

    /**
     * Gets the packages/types to import from the parent realm.
     *
     * @return The modifiable list of packages/types to import from the parent realm, never {@code null}.
     */
    List<String> getParentImports();

    /**
     * Gets the packages/types to import from foreign realms.
     *
     * @return The modifiable map of packages/types to import from foreign realms, never {@code null}.

     * @param parent The parent realm for the new realm, may be {@code null}.
     * @param parentImports The packages/types to import from the parent realm, may be {@code null}.
     * @param foreignImports The packages/types to import from foreign realms, may be {@code null}.
     * @param artifacts The artifacts to add to the class realm, may be {@code null}. Unresolved artifacts (i.e. with a

// CHECKSTYLE_OFF: RegexpHeader
/**
 * Maven Repository Metadata model.
 */

// CHECKSTYLE_OFF: RegexpHeader
/**
 * Maven immutable XML api.
 */

        boolean packaged = false;
        for (String phase : getLifecycles(project)) {
            switch (phase) {
                case "clean":
                    packaged = false;
                    break;
                case "package":
                case "install":
                case "deploy":
                    packaged = true;
                    break;

     *
     * @see #getModuleNames()
     */
    private final Map<Path, String> descriptors;

    /**
     * Whether module hierarchy was detected. If false, then package hierarchy is assumed.
     * In a package hierarchy, the {@linkplain #descriptors} map has either zero or one entry.
     * In a module hierarchy, the descriptors map may have an arbitrary number of entries,