*/
    public MultiIterator(final Iterator<E>... iterators) {
        assertArgumentNotNull("iterators", iterators);
        this.iterators = iterators;
    }

    @Override
    public boolean hasNext() {
        for (; index < iterators.length; ++index) {
            if (iterators[index].hasNext()) {
                return true;
            }
        }

        SmbFile parent = newParent();

        FileEntry invalid = entry(invalidName, SmbConstants.TYPE_SHARE);
        FileEntry valid = entry("ok", SmbConstants.TYPE_SHARE);
        Iterator<FileEntry> delegate = Arrays.asList(invalid, valid).iterator();

        ResourceFilter f = useFilter ? filter : null;
        if (useFilter) {
            when(filter.accept(any())).thenReturn(true);
        }

     */
    public IteratorEnumeration(final Iterator<T> iterator) {
        assertArgumentNotNull("iterator", iterator);
        this.iterator = iterator;
    }

    /**
     * Creates an {@link IteratorEnumeration}.
     *
     * @param iterable the iterable object (must not be {@literal null})
     */
    public IteratorEnumeration(final Iterable<T> iterable) {

        assertArgumentNotNull("iterator", iterator);

        return () -> new IndexedIterator<>(iterator);
    }

    /**
     * Constructs an instance.
     *
     * @param iterator the iterator (must not be {@literal null})
     */
    public IndexedIterator(final Iterator<T> iterator) {
        assertArgumentNotNull("iterator", iterator);

        this.iterator = iterator;

 */
package jcifs;

import java.util.Iterator;

/**
 * An iterator that implements AutoCloseable to allow resource cleanup.
 * This interface combines Iterator functionality with automatic resource management.
 *
 * @param <T> the type of elements returned by this iterator
 * @author mbechler
 */
public interface CloseableIterator<T> extends Iterator<T>, AutoCloseable {

    /**
     * {@inheritDoc}
     *

        assertThat(lru.get("aaa"), is("111"));
        Iterator<String> i = lru.keySet().iterator();
        assertThat(i.next(), is("bbb"));
        assertThat(i.next(), is("ccc"));
        assertThat(i.next(), is("aaa"));
        lru.put("ddd", "444");
        assertThat(lru.size(), is(3));
        assertThat(lru.get("bbb"), is(nullValue()));
        i = lru.keySet().iterator();
        assertThat(i.next(), is("ccc"));

     */
    public CaseInsensitiveSet(final int initialCapacity) {
        map = new CaseInsensitiveMap<>(initialCapacity);
    }

    @Override
    public Iterator<String> iterator() {
        return map.keySet().iterator();
    }

    @Override
    public int size() {
        return map.size();
    }

    @Override
    public boolean isEmpty() {
        return map.isEmpty();
    }

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.util.Iterator;
import java.util.NoSuchElementException;

import org.codelibs.core.exception.ClUnsupportedOperationException;
import org.codelibs.core.message.MessageFormatter;

/**
 * An {@link Iterator} that iterates through the inheritance hierarchy of a class towards its superclasses.
 * <p>
 * Usage example:
 * </p>
 *

 */
package jcifs;

/**
 * An empty iterator implementation for SMB resources.
 * This iterator contains no elements and immediately returns false for hasNext().
 *
 * @author mbechler
 */
public class EmptyIterator implements CloseableIterator<SmbResource> {

    /**
     * Default constructor for EmptyIterator.
     * Creates an empty iterator with no elements.
     */
    public EmptyIterator() {

        final List<String> list2 = asList("Baz");

        @SuppressWarnings("unchecked")
        final Iterator<String> it = new MultiIterator<String>(list1.iterator(), list2.iterator());

        assertThat(it.hasNext(), is(true));
        assertThat(it.next(), is("Foo"));

        assertThat(it.hasNext(), is(true));
        assertThat(it.next(), is("Bar"));