private function parseIntegritySpecification(string $integritySpecification)
    {
        $parsedIntegritySpecification = [];

        if (strpos($integritySpecification, '|') !== false) {
            $parsedIntegritySpecification = explode('|', $integritySpecification);
        } elseif (!empty($integritySpecification)) {
            $parsedIntegritySpecification = [$integritySpecification];
        }

        return $parsedIntegritySpecification;
    }