lib/Service.php
public function getWriter(): Writer
    {
        $w = new Writer();
        $w->namespaceMap = $this->namespaceMap;
        $w->classMap = $this->classMap;

        return $w;
    }
public function getWriter(): Writer
    {
        $w = new Writer();
        $w->namespaceMap = $this->namespaceMap;
        $w->classMap = $this->classMap;

        return $w;
    }
Returns a fresh xml writer.