assertEquals("abc", StringUtil.decapitalize("abc"));
        assertEquals("abc", StringUtil.decapitalize("Abc"));
        assertEquals("ABC", StringUtil.decapitalize("ABC"));
        assertEquals("userId", StringUtil.decapitalize("UserId"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testEndsWithIgnoreCase() throws Exception {

     * <p>
     * 次のように使います．
     * </p>
     *
     * <pre>
     * StringUtil.capitalize("UserId")  = "userId"
     * StringUtil.capitalize("ABC")  = "ABC"
     * </pre>
     *
     * @param name
     *            名前
     * @return 結果の文字列
     */
    public static String decapitalize(final String name) {
        if (isEmpty(name)) {
            return name;
        }

                if (m.getParameterTypes().length != 0 || methodName.equals("getClass") || m.getReturnType() == void.class) {
                    continue;
                }
                final String propertyName = StringUtil.decapitalize(methodName.substring(3));
                setupReadMethod(m, propertyName);
            } else if (methodName.startsWith("is")) {
                if (m.getParameterTypes().length != 0

        if (fessConfig.hasNotification()) {
            final Map<String, String> dataMap = new HashMap<>();
            for (final Map.Entry<String, String> entry : infoMap.entrySet()) {
                dataMap.put(StringUtil.decapitalize(entry.getKey()), entry.getValue());
            }

            String hostname = fessConfig.getMailHostname();
            if (StringUtil.isBlank(hostname)) {

            return key;
        }
        String keyStr = key.toString();
        if (keyStr.indexOf('_') < 0) {
            keyStr = CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, StringUtils.uncapitalize(keyStr));
        } else {
            keyStr = CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, keyStr);
        }
        return keyStr;
    }

    @Override
    public int size() {