/**
     * Returns an iterator over the elements in this set. The elements are
     * returned in no particular order.
     *
     * @return an Iterator over the elements in this set.
     * @see ConcurrentModificationException
     */
    @Override
    public Iterator<E> iterator() {
        return map.keySet().iterator();
    }

    /**
     * Returns the number of elements in this set (its cardinality).
     *

        assertTrue(iterator.hasNext(), "Should have third element");
        SmbResource third = iterator.next();
        assertNotNull(third, "Third element should not be null");
        assertEquals("file3.txt", third.getName());

        assertFalse(iterator.hasNext(), "Should not have more elements");
    }

    /**
     * Test iterator with filter that accepts all elements.
     */
    @Test

    @DisplayName("Should handle various element counts")
    @ValueSource(ints = { 1, 2, 5, 10, 20, 50, 100 })
    void testJoinWithVariousElementCounts(int count) {
        CharSequence[] elements = new CharSequence[count];
        for (int i = 0; i < count; i++) {
            elements[i] = String.valueOf(i);
        }
        String result = StringUtil.join(",", elements);

        // Verify result contains all elements

     *
     * @param delimiter the separator to use between elements
     * @param elements the elements to join
     * @return elements separated by delimiter
     */
    public static String join(final CharSequence delimiter, final CharSequence... elements) {
        final StringBuilder sb = new StringBuilder();
        for (final CharSequence element : elements) {
            if (sb.length() > 0) {

            }
        }
        return map;
    }

    /**
     * Returns the value of an annotation element.
     *
     * @param beanDesc the {@link BeanDesc} representing the annotation
     * @param annotation the annotation
     * @param name the name of the element
     * @return the value of the annotation element
     */

        final Entry entry = getEntry(index);
        final E oldValue = entry.element;
        entry.element = element;
        return oldValue;
    }

    /**
     * Returns the position of the element.
     *
     * @param element the element
     * @return the position
     */
    public int indexOf(final E element) {
        int index = 0;
        if (element == null) {

 *
 * String[] array = ...;
 * for (String element : iterable(array)) {
 *     ...
 * }
 * </pre>
 *
 * @author shot
 * @param <T> the type of array elements
 */
public class ArrayIterator<T> implements Iterator<T> {

    /** The array of elements to iterate over */
    protected final T[] items;

    /** The index of the currently referenced element */
    protected int index = 0;

    /**

     * <li>If <code>type</code> is an array, the actual class of its elements is returned.</li>
     * <li>Otherwise, <code>null</code> is returned.</li>
     * </ul>
     *
     * @param type
     *            the type to analyze
     * @param map
     *            the map that contains the type variables and type arguments
     * @return the actual element type of the array, or null if not an array of parameterized types
     */

    }

    /**
     * Adds an element to the beginning of a sequenced collection.
     *
     * @param <E> the element type
     * @param collection the sequenced collection
     * @param element the element to add
     * @since Java 21
     */
    public static <E> void addFirst(final SequencedCollection<E> collection, final E element) {
        collection.addFirst(element);
    }

    /**

        // Test the nextElement method from Enumeration interface
        SmbComTransactionResponse element = response.nextElement();

        // Should return itself
        assertSame(response, element);

        // Can be called multiple times
        element = response.nextElement();
        assertSame(response, element);
    }

    @Test
    @DisplayName("Test with various Configuration implementations")