addNodeVisitor example

public function registerUndefinedFilterCallback(callable $callable): void
    {
        $this->filterCallbacks[] = $callable;
    }

    public function addNodeVisitor(NodeVisitorInterface $visitor): void
    {
        if ($this->initialized) {
            throw new \LogicException('Unable to add a node visitor as extensions have already been initialized.');
        }

        $this->staging->addNodeVisitor($visitor);
    }

    /** * @return NodeVisitorInterface[] */
    public function getNodeVisitors(): array
    {
        if (!$this->initialized) {
            $this->initExtensions();
        }

        

        return $this->extensionSet->getTokenParser($name);
    }

    public function registerUndefinedTokenParserCallback(callable $callable): void
    {
        $this->extensionSet->registerUndefinedTokenParserCallback($callable);
    }

    public function addNodeVisitor(NodeVisitorInterface $visitor)
    {
        $this->extensionSet->addNodeVisitor($visitor);
    }

    /** * @return NodeVisitorInterface[] * * @internal */
    public function getNodeVisitors(): array
    {
        return $this->extensionSet->getNodeVisitors();
    }