LeaveProfileNode example

    public function enterNode(Node $node, Environment $env): Node
    {
        return $node;
    }

    public function leaveNode(Node $node, Environment $env): ?Node
    {
        if ($node instanceof ModuleNode) {
            $node->setNode('display_start', new Node([new EnterProfileNode($this->extensionName, Profile::TEMPLATE, $node->getTemplateName(), $this->varName), $node->getNode('display_start')]));
            $node->setNode('display_end', new Node([new LeaveProfileNode($this->varName), $node->getNode('display_end')]));
        } elseif ($node instanceof BlockNode) {
            $node->setNode('body', new BodyNode([
                new EnterProfileNode($this->extensionName, Profile::BLOCK, $node->getAttribute('name'), $this->varName),
                $node->getNode('body'),
                new LeaveProfileNode($this->varName),
            ]));
        } elseif ($node instanceof MacroNode) {
            $node->setNode('body', new BodyNode([
                new EnterProfileNode($this->extensionName, Profile::MACRO, $node->getAttribute('name'), $this->varName),
                $node->getNode('body'),
                new LeaveProfileNode($this->varName),
            ]));