Issue::getNumber PHP Method

    function getNumber()
    {
        return $this->getData('number');
    }

 /**
  * Transforms an object (roles) to a string (choice).
  *
  * @param  Issue|null $roles
  * @return string
  */
 public function transform($roles)
 {
     if (null === $roles) {
         return "";
     }
     return $roles->getNumber();
 }