Repository/DoctrineContentfulContentTypeRepository.php
public function persist(ContentfulContentType $contentType)
    {
        $this->getEntityManager()->persist($this->validate($contentType));
        return $this;
    }
public function persist(ContentfulContentType $contentType)
    {
        $this->getEntityManager()->persist($this->validate($contentType));
        return $this;
    }
{@inheritdoc}