* @since 23.4
   */
  public static final class ReferrerPolicyValues {
    private ReferrerPolicyValues() {}

    public static final String NO_REFERRER = "no-referrer";
    public static final String NO_REFFERER_WHEN_DOWNGRADE = "no-referrer-when-downgrade";
    public static final String SAME_ORIGIN = "same-origin";
    public static final String ORIGIN = "origin";
    public static final String STRICT_ORIGIN = "strict-origin";

import org.apache.maven.api.metadata.Plugin;

/**
 * Maven G level metadata.
 */
final class PluginsMetadata extends MavenMetadata {
    static final class PluginInfo {
        final String groupId;

        private final String artifactId;

        private final String goalPrefix;

        private final String name;

        PluginInfo(String groupId, String artifactId, String goalPrefix, String name) {

    protected static final String EAR_PLUGIN_VERSION = "3.3.0";

    protected static final String EJB_PLUGIN_VERSION = "3.2.1";

    protected static final String PLUGIN_PLUGIN_VERSION = "3.12.0";

    protected static final String RAR_PLUGIN_VERSION = "3.0.0";

    protected static final String WAR_PLUGIN_VERSION = "3.4.0";
    // END SNIPPET: versions

    private final ExtensionRealmCache extensionRealmCache;
    private final PluginVersionResolver pluginVersionResolver;
    private final PluginArtifactsCache pluginArtifactsCache;
    private final MavenPluginValidator pluginValidator;
    private final List<MavenPluginConfigurationValidator> configurationValidators;
    private final PluginValidationManager pluginValidationManager;

    private final Object[] columnKeys;

    private final Object[] cellValues;
    private final int[] cellRowIndices;
    private final int[] cellColumnIndices;

    private SerializedForm(
        Object[] rowKeys,
        Object[] columnKeys,
        Object[] cellValues,
        int[] cellRowIndices,
        int[] cellColumnIndices) {
      this.rowKeys = rowKeys;
      this.columnKeys = columnKeys;

    }

    final long estimateSize() {
      return spliterator.estimateSize();
    }

    final Comparator<? super E> getComparator() {
      return spliterator.getComparator();
    }

    final long getExactSizeIfKnown() {
      return spliterator.getExactSizeIfKnown();
    }

    final boolean hasCharacteristics(int characteristics) {
      return spliterator.hasCharacteristics(characteristics);
    }

  private final class ComplementRanges extends ImmutableList<Range<C>> {
    // True if the "positive" range set is empty or bounded below.
    private final boolean positiveBoundedBelow;

    // True if the "positive" range set is empty or bounded above.
    private final boolean positiveBoundedAbove;

    private final int size;

    ComplementRanges() {

        session = s.withLocalRepository(localRepository).withRemoteRepositories(List.of(remoteRepository));
    }

    @Test
    void testResolveParentThrowsModelResolverExceptionWhenNotFound() throws Exception {
        final Parent parent = Parent.newBuilder()
                .groupId("org.apache")
                .artifactId("apache")
                .version("0")
                .build();

        ModelResolverException e = assertThrows(

    }

    private static final Pattern UNIX_PID_PATTERN = Pattern.compile("([0-9]+)");
    private static final Pattern WINDOWS_PID_PATTERN = Pattern.compile("([0-9]+)\\s*$");
    private static final String MY_PID = String.valueOf(ProcessHandle.current().pid());
    private static final String JAVA_EXECUTABLE_PATTERN_STR = "java(?:\\.exe)?";
    private static final String GRADLE_MAIN_CLASS_PATTERN_STR = "(org\\.gradle\\.[a-zA-Z]+)";

 * that exhibits the problem.
 */
class DefaultBuilderProblem implements BuilderProblem {
    final String source;
    final int lineNumber;
    final int columnNumber;
    final Exception exception;
    final String message;
    final Severity severity;

    DefaultBuilderProblem(