ConstExprParser example

        if (!class_exists(PhpDocParser::class)) {
            throw new \LogicException(sprintf('Unable to use the "%s" class as the "phpstan/phpdoc-parser" package is not installed. Try running composer require "phpstan/phpdoc-parser".', __CLASS__));
        }

        $this->phpStanTypeHelper = new PhpStanTypeHelper();
        $this->mutatorPrefixes = $mutatorPrefixes ?? ReflectionExtractor::$defaultMutatorPrefixes;
        $this->accessorPrefixes = $accessorPrefixes ?? ReflectionExtractor::$defaultAccessorPrefixes;
        $this->arrayMutatorPrefixes = $arrayMutatorPrefixes ?? ReflectionExtractor::$defaultArrayMutatorPrefixes;

        $this->phpDocParser = new PhpDocParser(new TypeParser(new ConstExprParser()), new ConstExprParser());
        $this->lexer = new Lexer();
        $this->nameScopeFactory = new NameScopeFactory();
    }

    public function getTypes(string $class, string $property, array $context = []): ?array
    {
        /** @var PhpDocNode|null $docNode */
        [$docNode, $source, $prefix, $declaringClass] = $this->getDocBlock($class, $property);
        $nameScope = $this->nameScopeFactory->create($class, $declaringClass);
        if (null === $docNode) {
            return null;
        }