*            The string. Must not be {@literal null}.
     */
    public Tokenizer(final String str) {
        this(str, defaultCtype);
    }

    /**
     * Creates a {@link Tokenizer}.
     *
     * @param str
     *            The string. Must not be {@literal null}.
     * @param ctype
     *            The array of character types. Must not be {@literal null} or empty.
     */

    }

    @Test
    @DisplayName("Arrays: non-null, same length, and exact contents")
    void arrays_are_well_formed_and_match() {
        // Validate arrays existence and alignment (edge and structure checks)
        assertNotNull(WinError.WINERR_CODES, "WINERR_CODES should not be null");
        assertNotNull(WinError.WINERR_MESSAGES, "WINERR_MESSAGES should not be null");

     *
     * @return the exceptions that occurred, never {@code null}
     */
    @Nonnull
    List<Exception> getExceptions();

    /**
     * Gets the root node of the dependency graph.
     *
     * @return the root node of the dependency graph or {@code null} if none
     */
    @Nullable
    Node getRoot();

    /**

 */
public class EnumerationIterator<T> implements Iterator<T> {

    private Enumeration<T> enumeration = null;

    /**
     * Returns an {@link Iterable} that wraps an {@link Enumeration} for use in a for-each statement.
     *
     * @param <T> the element type
     * @param enumeration the enumeration (must not be {@literal null})
     * @return an {@link Iterable} wrapping the enumeration
     */

     *
     * @param model The model whose reporting section should be converted, must not be <code>null</code>.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void convertReporting(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

     * the method returns.
     *
     * @param output The writer to serialize the toolchains to, must not be {@code null}.
     * @param options The options to use for serialization, may be {@code null} to use the default values.
     * @param toolchains The toolchains to serialize, must not be {@code null}.
     * @throws IOException If the toolchains could not be serialized.
     */

        if (expression == null || expression.trim().isEmpty()) {
            return null;
        }

        try {
            return ReflectionValueExtractor.evaluate(expression, root, false);
        } catch (Exception e) {
            addFeedback("Failed to extract \'" + expression + "\' from: " + root, e);
        }

        return null;
    }

     * @param mavenProject the requested project
     * @return The projectSegment or null.
     */
    public ProjectSegment findByMavenProject(MavenProject mavenProject) {
        return items.stream()
                .filter(pb -> mavenProject.equals(pb.getProject()))
                .findFirst()
                .orElse(null);
    }

    @Override
    public Iterator<ProjectSegment> iterator() {

        buffer.append("Could not find goal '").append(goal).append('\'');

        if (pluginDescriptor != null) {
            buffer.append(" in plugin ").append(pluginDescriptor.getId());

            buffer.append(" among available goals ");
            List<MojoDescriptor> mojos = pluginDescriptor.getMojos();
            if (mojos != null) {
                for (Iterator<MojoDescriptor> it = mojos.iterator(); it.hasNext(); ) {

     * @param value The string to resolve.
     * @return The resolved string.
     */
    public static String resolve(final String value) {
        if (value == null) {
            return null;
        }

        final StringBuffer tunedText = new StringBuffer(value.length());
        final Pattern pattern = Pattern.compile("(\\$\\{([\\w\\.]+)\\})");