FOS\UserBundle\Model\Group::setRoles PHP Method

    public function setRoles(array $roles)
    {
        $this->roles = $roles;
    }

 /**
  * Set roles
  *
  * @param array $roles
  * @return Group
  */
 public function setRoles(array $roles)
 {
     parent::setRoles($roles);
     return $this;
 }