* インスタンスを構築します。
     *
     * @param value1
     *            1番目の値
     * @param value2
     *            2番目の値
     * @param value3
     *            3番目の値
     * @param value4
     *            4番目の値
     */
    public Tuple4(final T1 value1, final T2 value2, final T3 value3, final T4 value4) {
        this.value1 = value1;
        this.value2 = value2;
        this.value3 = value3;
        this.value4 = value4;
    }

import junit.framework.TestCase;

public class StreamUtilTest extends TestCase {

    public void test_ofValues() {
        String[] values = { "value1", "value2" };
        StreamUtil.stream(values[0], values[1]).of(s -> {
            Object[] array = s.toArray();
            for (int i = 0; i < 2; i++) {
                assertEquals(values[i], array[i]);
            }
        });
    }

    public void test_ofNull() {

     */
    public Tuple5(final T1 value1, final T2 value2, final T3 value3, final T4 value4, final T5 value5) {
        this.value1 = value1;
        this.value2 = value2;
        this.value3 = value3;
        this.value4 = value4;
        this.value5 = value5;
    }

    /**
     * 1番目の値を返します。
     *
     * @return 1番目の値
     */
    public T1 getValue1() {
        return value1;
    }

    /**

     *            2番目の値
     * @param value3
     *            3番目の値
     */
    public Tuple3(final T1 value1, final T2 value2, final T3 value3) {
        this.value1 = value1;
        this.value2 = value2;
        this.value3 = value3;
    }

    /**
     * 1番目の値を返します。
     *
     * @return 1番目の値
     */
    public T1 getValue1() {
        return value1;
    }

    /**
     * 1番目の値を設定します。
     *

    public int getPropertyDescSize() {
        return propertyDescCache.size();
    }

    @Override
    public Iterable<PropertyDesc> getPropertyDescs() {
        return unmodifiableCollection(propertyDescCache.values());
    }

    @Override
    public boolean hasFieldDesc(final String fieldName) {
        assertArgumentNotEmpty("fieldName", fieldName);

        return fieldDescCache.containsKey(fieldName);
    }

    }

    @SafeVarargs
    public static <T> StreamOf<T> stream(final T... values) {
        return new StreamOf<>(() -> values != null ? Arrays.stream(values) : Collections.<T> emptyList().stream());
    }

    public static StreamOf<String> split(final String value, final String regex) {
        return stream(value == null ? null : value.split(regex));
    }

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

    @Override
    public boolean containsKey(final Object key) {
        return getProperties().containsKey(key);
    }

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

    @Override