public function getAdded(): \Lullabot\Mpx\DataService\DateTime\DateTimeFormatInterface
    {
        if (!$this->added) {
            return new NullDateTime();
        }

        return $this->added;
    }
public function getAdded(): \Lullabot\Mpx\DataService\DateTime\DateTimeFormatInterface
    {
        if (!$this->added) {
            return new NullDateTime();
        }

        return $this->added;
    }
public function getAdded ( ) : \ Lullabot \ Mpx \ DataService \ DateTime \ DateTimeFormatInterface { if ( ! $ this -> added ) { return new NullDateTime ( ) ; } return $ this -> added ; }
Returns the date and time that this object was created.

@return \Lullabot\Mpx\DataService\DateTime\DateTimeFormatInterface
Returns the date and time that this object was created .