*
     * @param field
     *            the field to check
     * @return true if transient, false otherwise
     * @see #isTransient(int)
     */
    public static boolean isTransient(final Field field) {
        return isTransient(field.getModifiers());
    }

    /**
     * Checks if the specified modifier is transient.
     *
     * @param modifier

     * @throws Exception
     */
    public void testIsTransient() throws Exception {
        Field f = Hoge.class.getDeclaredField("bbb");
        assertTrue(ModifierUtil.isTransient(f));
        f = Hoge.class.getDeclaredField("s");
        assertFalse(ModifierUtil.isTransient(f));
    }

    /**
     * @throws Exception
     */
    public void testIsAbstract() throws Exception {
        assertTrue(ModifierUtil.isAbstract(Map.class));

  final boolean isVolatile() {
    return Modifier.isVolatile(getModifiers());
  }

  /** Returns true if the field is transient. */
  final boolean isTransient() {
    return Modifier.isTransient(getModifiers());
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    if (obj instanceof Invokable) {
      Invokable<?, ?> that = (Invokable<?, ?>) obj;