buildSearchEntities example

private readonly AdminSearcher $searcher,
        private readonly DecoderInterface $serializer,
        private readonly AclCriteriaValidator $criteriaValidator,
        private readonly DefinitionInstanceRegistry $definitionRegistry,
        private readonly JsonEntityEncoder $entityEncoder
    ) {
    }

    #[Route(path: '/api/_admin/search', name: 'api.admin.search', defaults: ['_routeScope' => ['administration']], methods: ['POST'])]     public function search(Request $request, Context $context): Response
    {
        $criteriaCollection = $this->buildSearchEntities($request, $context);

        $violations = [];

        foreach ($criteriaCollection as $entity => $criteria) {
            $missing = $this->criteriaValidator->validate($entity, $criteria, $context);

            if (!empty($missing)) {
                $violations[$entity] = (new MissingPrivilegeException($missing))->getErrors()->current();
                $criteriaCollection->remove($entity);
            }
        }