src/Viserio/Component/Routing/TreeGenerator/PHPCodeCollection.php
public function appendLine(string $code = ''): void
    {
        $this->append($code);
        $this->code .= \PHP_EOL;
    }
public function appendLine(string $code = ''): void
    {
        $this->append($code);
        $this->code .= \PHP_EOL;
    }
Appends the supplied code and a new line to the builder.

@param string $code