private static String getProductConsentKind(final String productCode, String consentId) {
    if (productCode != null && consentId.endsWith(productCode) && (consentId.length() == productCode.length() || consentId.charAt(consentId.length() - productCode.length() - 1) == '.')) {
      return consentId.substring(0, consentId.length() - productCode.length() - 1);
    }
    return null;
  }
private static String getProductConsentKind(final String productCode, String consentId)