isTemplateStart example

return $this->filterDocBlockParams($docBlock, $property);
        } catch (\InvalidArgumentException) {
            return null;
        }
    }

    private function filterDocBlockParams(DocBlock $docBlock, string $allowedParam): DocBlock
    {
        $tags = array_values(array_filter($docBlock->getTagsByName('param'), fn ($tag) => $tag instanceof DocBlock\Tags\Param && $allowedParam === $tag->getVariableName()));

        return new DocBlock($docBlock->getSummary(), $docBlock->getDescription(), $tags, $docBlock->getContext(),
            $docBlock->getLocation(), $docBlock->isTemplateStart(), $docBlock->isTemplateEnd());
    }

    /** * @return array{DocBlock|null, int|null, string|null} */
    private function getDocBlock(string $class, string $property): array
    {
        $propertyHash = sprintf('%s::%s', $class, $property);

        if (isset($this->docBlocks[$propertyHash])) {
            return $this->docBlocks[$propertyHash];
        }