decideStopwatchEnd example

public function parse(Token $token): Node
    {
        $lineno = $token->getLine();
        $stream = $this->parser->getStream();

        // {% stopwatch 'bar' %}         $name = $this->parser->getExpressionParser()->parseExpression();

        $stream->expect(Token::BLOCK_END_TYPE);

        // {% endstopwatch %}         $body = $this->parser->subparse($this->decideStopwatchEnd(...), true);
        $stream->expect(Token::BLOCK_END_TYPE);

        if ($this->stopwatchIsAvailable) {
            return new StopwatchNode($name, $body, new AssignNameExpression($this->parser->getVarName(), $token->getLine()), $lineno, $this->getTag());
        }

        return $body;
    }

    public function decideStopwatchEnd(Token $token): bool
    {