Driver::getUserPermissions

public function getUserPermissions(int $userId = null): UserPermissions
{
	if($userId === null)
	{
		$userId = $this->getUserId();
	}

	if(!isset($this->usersPermissions[$userId]))
	{
		$className = $this->userPermissionsClassName;
		$this->usersPermissions[$userId] = new $className($userId);
	}

	return $this->usersPermissions[$userId];
}