/**
     * 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).
     *

        final EnumerationIterator<String> itr = new EnumerationIterator<String>(vector.elements());
        itr.remove();
    }

    /**
     * @throws Exception
     */
    @Test
    public void testNext() throws Exception {
        final EnumerationIterator<String> itr = new EnumerationIterator<String>(new Vector<String>().elements());
        assertThat(itr.hasNext(), is(not(true)));
    }

    /**

    }

    @Override
    public boolean containsValue(final Object value) {
        return getProperties().containsValue(value);
    }

    @Override
    public Enumeration<Object> elements() {
        return getProperties().elements();
    }

    @Override
    public Set<java.util.Map.Entry<Object, Object>> entrySet() {
        return getProperties().entrySet();
    }

    @Override

/**
 * 配列を{@link Iterator}にするAdaptorです。
 * <p>
 * 次のように使います．
 * </p>
 *
 * <pre>
 * import static org.codelibs.core.collection.ArrayIterator.*;
 *
 * String[] array = ...;
 * for (String element : iterable(array)) {
 *     ...
 * }
 * </pre>
 *
 * @author shot
 * @param <T>
 *            配列の要素の型
 */
public class ArrayIterator<T> implements Iterator<T> {

    /** イテレートする要素の配列 */

 */
public class Indexed<T> {

    /** 要素 */
    private final T element;

    /** 要素のインデックス */
    private final int index;

    /**
     * コンストラクタ
     *
     * @param element
     *            要素
     * @param index
     *            要素のインデックス
     */
    public Indexed(final T element, final int index) {
        this.element = element;
        this.index = index;
    }

    /**
     * 要素を返します。

            writer.accept("Thread: " + entry.getKey());
            final StackTraceElement[] trace = entry.getValue();
            for (final StackTraceElement element : trace) {
                writer.accept("\tat " + element);
            }
        }
    }

        if (!escape) {
            return value;
        }

        String newValue = value;
        for (final String element : Constants.RESERVED) {
            final String replacement = element.replaceAll("(.)", "\\\\$1");
            newValue = newValue.replace(element, replacement);
        }
        return newValue;
    }

    public String build() {

        createFilterChain();
    }

    protected void createFilterChain() {
        FilterChain chain = createDefaultFilterChain();
        for (final Filter element : filterList) {
            chain = appendFilterChain(element, chain);
        }
        filterChain = chain;
    }

    protected FilterChain appendFilterChain(final Filter filter, final FilterChain chain) {

    @Override
    public boolean add(final Map<String, Object> e) {
        return parent.add(e);
    }

    @Override
    public void add(final int index, final Map<String, Object> element) {
        parent.add(index, element);
    }

    @Override
    public boolean addAll(final Collection<? extends Map<String, Object>> c) {
        return parent.addAll(c);
    }

    @Override

        }

        return type.cast(object);
    }


    /**
     * 
     * @param type
     * @param enumeration
     * @return next element from enumeration cast to type
     * @throws PACDecodingException
     */
    public static <T extends Object> T as ( Class<T> type, Enumeration<?> enumeration ) throws PACDecodingException {