* @param fobj The FO for which this value is needed.
* @return The value of this property.
*/
private org.axsl.common.value.BorderStyle getCollectionValue(
final FoContext context, final Compass direction, final FObj fobj) {
final ValueCollection collection = (ValueCollection) value();
final int whichElement = PropertyCollection.whichElementForDirectional(
direction, collection.getCount());
final PropertyValue insideValue = collection.getItem(whichElement);
final DtBorderStyle borderStyleProperty = (DtBorderStyle)
insideValue;
return borderStyleProperty.getValue();
}