public static String validateSubject(String claimName, String claimValue) throws ValidateException {
        return validateString(claimName, claimValue);
    }
@Test
    public void testValidateClaimNameOverrideDisallowsEmptyNullAndWhitespace() {
        assertThrows(ValidateException.class, () -> ClaimValidationUtils.validateSubject("sub", ""));
        assertThrows(ValidateException.class, () -> ClaimValidationUtils.validateSubject("sub", null));
        assertThrows(ValidateException.class, () -> ClaimValidationUtils.validateSubject("sub", "  "));
    }