for (int j = 0; j < max; j++) {
                final int i = dcListCounter++ % max;
                if (this.dcList[i] != null) {
                    try {
                        return interrogate(getTransportContext(), this.dcList[i]);
                    } catch (final SmbException se) {
                        log.warn("Failed validate DC: " + this.dcList[i], se);
                    }

    static NbtAddress[] dc_list = null;
    static long dc_list_expiration;
    static int dc_list_counter;

    private static NtlmChallenge interrogate(final NbtAddress addr) throws SmbException {
        final UniAddress dc = new UniAddress(addr);
        final SmbTransport trans = SmbTransport.getSmbTransport(dc, 0);
        if (USERNAME == null) {

                    String value = it.next();
                    String inter = interpolate(value);
                    if (value != inter) {
                        it.set(inter);
                    }
                }
            }
        }

        private String interpolate(String value) {
            return interpolator.interpolate(value);
        }
    }

    /**
     * @deprecated Use {@link ModelInterpolator#interpolate(Model, File, ProjectBuilderConfiguration, boolean)} instead.
     */
    @Deprecated
    Model interpolate(Model project, Map<String, ?> context) throws ModelInterpolationException;

    /**
     * @deprecated Use {@link ModelInterpolator#interpolate(Model, File, ProjectBuilderConfiguration, boolean)} instead.
     */
    @Deprecated

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

                    fileString = interpolator.interpolate(fileString, "").replace("\\", "/");
                    File file = new File(fileString);
                    return !file.exists();
                }
            } catch (InterpolationException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to interpolate missing file location for profile activator: " + fileString, e);

     * Interpolates expressions in the specified model. Note that implementations are free to either interpolate the
     * provided model directly or to create a clone of the model and interpolate the clone. Callers should always use
     * the returned model and must not rely on the input model being updated.
     *
     * @param model The model to interpolate, must not be {@code null}.

                return null;
            }
        });

        try {
            serializedSettings = interpolator.interpolate(serializedSettings, "settings");
        } catch (InterpolationException e) {
            problems.add(
                    SettingsProblem.Severity.ERROR, "Failed to interpolate settings: " + e.getMessage(), -1, -1, e);

            return settings;
        }

        Settings result;

        return new InnerInterpolator() {
            @Override
            public String interpolate(String value) {
                if (value != null && value.contains("${")) {
                    String c = cache.get(value);
                    if (c == null) {
                        try {
                            c = interpolator.interpolate(value, recursionInterceptor);
                        } catch (InterpolationException e) {

     * @param callback The function to resolve variable values not found in the map.
     */
    default void interpolate(@Nonnull Map<String, String> properties, @Nullable UnaryOperator<String> callback) {
        interpolate(properties, callback, null, true);
    }

    /**
     * Interpolates the values in the given map using the provided callback function.
     *