if (metadata != null && metadata.getFile() != null && metadata.getFile().isFile()) {
            try {
                Map<String, ?> options = Collections.singletonMap(MetadataReader.IS_STRICT, Boolean.FALSE);

                Metadata pluginGroupMetadata = metadataReader.read(metadata.getFile(), options);

     *
     * @deprecated Use {@link ModelInterpolator#interpolate(Model, File, ProjectBuilderConfiguration, boolean)} instead.
     */
    @Deprecated
    public Model interpolate(Model model, Map<String, ?> context, boolean strict) throws ModelInterpolationException {
        Properties props = new Properties();
        props.putAll(context);

  /** The Greek letter delta, used in unicode testing. */
  private static final String DELTA = "\u0394";

  /** A domain part which is valid under lenient validation, but invalid under strict validation. */
  static final String LOTS_OF_DELTAS = Strings.repeat(DELTA, 62);

  private static final String ALMOST_TOO_MANY_LEVELS = Strings.repeat("a.", 127);

     * (double) (k * k) <= (double) x <= (double) ((k + 1) * (k + 1))
     *          since casting to double is nondecreasing.
     *          Note that the right-hand inequality is no longer strict.
     * Math.sqrt(k * k) <= Math.sqrt(x) <= Math.sqrt((k + 1) * (k + 1))
     *          since Math.sqrt is monotonic.
     * (long) Math.sqrt(k * k) <= (long) Math.sqrt(x) <= (long) Math.sqrt((k + 1) * (k + 1))

            this.transformer = transformer;
            return this;
        }

        public XmlReaderRequestBuilder strict(boolean strict) {
            this.strict = strict;
            return this;
        }

        public XmlReaderRequestBuilder modelId(String modelId) {
            this.modelId = modelId;
            return this;
        }

    /**
     * No trust - no information about status.
     */
    public static final ArtifactStatus NONE = new ArtifactStatus("none", 0);

    /**
     * No trust - information was generated with defaults.
     */
    public static final ArtifactStatus GENERATED = new ArtifactStatus("generated", 1);

    /**
     * Low trust - was converted from the Maven 1.x repository.
     */

                        .read(XmlReaderRequest.builder()
                                .inputStream(is)
                                .location(settingsSource.getLocation())
                                .strict(true)
                                .build());
            } catch (XmlReaderException e) {
                try (InputStream is = settingsSource.openStream()) {
                    settings = request.getSession()

    SSLContext sslContext = SSLContext.getInstance("TLS");
    sslContext.init(null, new TrustManager[] { trustManager }, null);

    return sslContext.getSocketFactory();
  }

  /** Returns a trust manager that trusts the VM's default certificate authorities. */
  private X509TrustManager defaultTrustManager() throws GeneralSecurityException {
    TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(

     * Denotes validation as performed by Maven 4.0. This validation level is meant for new projects.
     */
    int VALIDATION_LEVEL_MAVEN_4_0 = 40;

    /**
     * Denotes strict validation as recommended by the current Maven version.
     */
    int VALIDATION_LEVEL_STRICT = VALIDATION_LEVEL_MAVEN_4_0;

    @Nonnull
    Session getSession();

    @Nonnull
    ModelSource getSource();

    int getValidationLevel();

    private List<ArtifactRepository> pluginArtifactRepositories;

    private MavenProject project;

    private int validationLevel = ModelBuildingRequest.VALIDATION_LEVEL_STRICT;

    private boolean processPlugins;

    private List<Profile> profiles;

    private List<String> activeProfileIds;

    private List<String> inactiveProfileIds;