parseSimpleSorting example

    private function addSorting(array $payload, Criteria $criteria, EntityDefinition $definition, SearchRequestException $searchException): void
    {
        if (\is_array($payload['sort'])) {
            $sorting = $this->parseSorting($definition, $payload['sort']);
            $criteria->addSorting(...$sorting);

            return;
        }

        try {
            $sorting = $this->parseSimpleSorting($definition, $payload['sort']);
            $criteria->addSorting(...$sorting);
        } catch (InvalidSortQueryException $ex) {
            $searchException->add($ex, '/sort');
        }
    }

    private function buildFieldName(EntityDefinition $definition, string $fieldName): string
    {
        if ($fieldName === '_score') {
            // Do not prefix _score fields because they are not actual entity properties but a calculated field in the             // SQL selection.