switch value := dbValue.(type) {
	case []byte:
		*es = EncryptedString(bytes.TrimPrefix(value, []byte("hello")))
	case string:
		*es = EncryptedString(strings.TrimPrefix(value, "hello"))
	default:
		return fmt.Errorf("unsupported data %#v", dbValue)
	}
	return nil
}

	{"TrimRight", []byte{'a'}, "ab", []byte{}},
	{"TrimRight", []byte{'a', 'b'}, "ab", []byte{}},
	{"TrimRight", []byte("☺"), "☺", []byte{}},
	{"TrimPrefix", nil, "", nil},
	{"TrimPrefix", []byte{}, "", []byte{}},
	{"TrimPrefix", []byte{'a'}, "a", []byte{}},
	{"TrimPrefix", []byte("☺"), "☺", []byte{}},
	{"TrimSuffix", nil, "", nil},
	{"TrimSuffix", []byte{}, "", []byte{}},
	{"TrimSuffix", []byte{'a'}, "a", []byte{}},

    }

    /**
     * @throws Exception
     */
    @Test
    public void testTrimPrefix() throws Exception {
        assertEquals("AAA", StringUtil.trimPrefix("T_AAA", "T_"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testIsBlank() throws Exception {
        assertEquals("1", true, StringUtil.isBlank(" "));

     *
     * @param text
     *            The text
     * @param prefix
     *            The prefix to remove
     * @return The resulting string
     */
    public static final String trimPrefix(final String text, final String prefix) {
        if (text == null) {
            return null;
        }
        if (prefix == null) {
            return text;
        }
        if (text.startsWith(prefix)) {