/**
  * @param string
  * @return boolean
  */
 public function isSupported($url)
 {
     return UrlsHelper::isPackagistPackageUrl($url);
 }
 /**
  * @param string
  * @return AddonEntity
  */
 public function setPackagist($packagist)
 {
     Validators::assert($packagist, 'string', 'packagist');
     UrlsHelper::assertPackagistPackageUrl($packagist);
     $this->packagist = UrlsHelper::normalizePackagistPackageUrl($packagist);
     return $this;
 }