$attributeClass * @param string $demoMethodName * @return T */ protected function getLegacyAttributeInstance(string $attributeClass, string $demoMethodName): object { try { $method = new ReflectionMethod(self::class, $demoMethodName); } catch (Throwable $e) { throw new RuntimeException("Attribute {$attributeClass} not found in {$demoMethodName}", 0, $e); } $reader = new AnnotationReader(); $instance = $reader->getMethodAnnotation($method, $attributeClass); return $instance instanceof $attributeClass ? $instance : throw new RuntimeException("Attribute is not {$attributeClass} instance"); } /** * @template T * @param class-string $attributeClass * @param string $demoMethodName * @return T */ protected function getAttributeInstance(string $attributeClass, string $demoMethodName): object { try { $method = new ReflectionMethod(self::class, $demoMethodName); } catch (Throwable $e) { throw new RuntimeException("Attribute {$attributeClass} not found in {$demoMethodName}", 0, $e); } $attribute = $method->getAttributes($attributeClass)[0] ?? null; return isset($attribute) ? $attribute->newInstance() : throw new RuntimeException("Attribute {$attributeClass} not found in {$demoMethodName}"); } protected function exportLabel(LabelInterface $label): array { return [ 'class' => $label::class, 'name' => $label->getName(), 'value' => $label->getValue(), ]; } protected function exportLabels(LabelInterface ...$labels): array { return array_map( fn (LabelInterface $label) => $this->exportLabel($label), $labels, ); } protected function exportLink(LinkInterface $link): array { return [ 'class' => $link::class, 'type' => $link->getType(), 'value' => $link->getName(), ]; } protected function exportLinks(LinkInterface ...$links): array { return array_map( fn (LinkInterface $link) => $this->exportLink($link), $links, ); } }