Doctrine\ODM\MongoDB\Tools\DocumentGenerator::setNumSpaces PHP Method

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

 /**
  * @return \Doctrine\ODM\MongoDB\Tools\DocumentGenerator
  */
 protected function getDocumentGenerator()
 {
     $documentGenerator = new DocumentGenerator();
     $documentGenerator->setGenerateAnnotations(true);
     $documentGenerator->setGenerateStubMethods(true);
     $documentGenerator->setRegenerateDocumentIfExists(false);
     $documentGenerator->setUpdateDocumentIfExists(true);
     $documentGenerator->setNumSpaces(4);
     return $documentGenerator;
 }