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

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

        return $this->targetExpirationDate;
    }
public function getTargetExpirationDate ( ) : \ Lullabot \ Mpx \ DataService \ DateTime \ DateTimeFormatInterface { if ( ! $ this -> targetExpirationDate ) { return new NullDateTime ( ) ; } return $ this -> targetExpirationDate ; }
Returns the DateTime when this playback availability window ends.

@return \Lullabot\Mpx\DataService\DateTime\DateTimeFormatInterface
Returns the DateTime when this playback availability window ends .