/**
  * @param string $name
  * @param string $release_number
  * @param DateTime $release_date
  * @param string $release_notes_url
  * @return IOpenStackRelease
  */
 public function buildOpenStackRelease($name, $release_number, DateTime $release_date, $release_notes_url)
 {
     $release = new OpenStackRelease();
     $release->setName($name);
     $release->setReleaseNumber($release_number);
     $release->setReleaseDate($release_date);
     $release->setReleaseNotesUrl($release_notes_url);
     return $release;
 }