private function computeDoc(Documentation $object, array $classes): array
    {
        $doc = ['@context' => $this->getContext(), '@id' => $this->urlGenerator->generate('api_doc', ['_format' => self::FORMAT]), '@type' => 'hydra:ApiDocumentation'];

        if ('' !== $object->getTitle()) {
            $doc['hydra:title'] = $object->getTitle();
        }

        if ('' !== $object->getDescription()) {
            $doc['hydra:description'] = $object->getDescription();
        }

        $doc['hydra:entrypoint'] = $this->urlGenerator->generate('api_entrypoint');
        $doc['hydra:supportedClass'] = $classes;

        return $doc;
    }