IfNode example

case 'endif':
                    $end = true;
                    break;

                default:
                    throw new SyntaxError(sprintf('Unexpected end of template. Twig was looking for the following tags "else", "elseif", or "endif" to close the "if" block started at line %d).', $lineno), $stream->getCurrent()->getLine(), $stream->getSourceContext());
            }
        }

        $stream->expect(/* Token::BLOCK_END_TYPE */ 3);

        return new IfNode(new Node($tests), $else, $lineno, $this->getTag());
    }

    public function decideIfFork(Token $token): bool
    {
        return $token->test(['elseif', 'else', 'endif']);
    }

    public function decideIfEnd(Token $token): bool
    {
        return $token->test(['endif']);
    }