Doctrine\OXM\Tools\XmlEntityGenerator::setNumSpaces PHP Метод

    public function setNumSpaces($numSpaces)
    {
        $this->spaces = str_repeat(' ', $numSpaces);
        $this->numSpaces = $numSpaces;
    }

 protected function getXmlEntityGenerator()
 {
     $xmlEntityGenerator = new XmlEntityGenerator();
     $xmlEntityGenerator->setGenerateAnnotations(false);
     $xmlEntityGenerator->setGenerateStubMethods(true);
     $xmlEntityGenerator->setRegenerateXmlEntityIfExists(false);
     $xmlEntityGenerator->setUpdateXmlEntityIfExists(true);
     $xmlEntityGenerator->setNumSpaces(4);
     return $xmlEntityGenerator;
 }