*/
public void padPagesAtBeginning() throws AreaTreeException {
final PageSequence pageSeq = getPageSequence();
final PageCollection previousPageCollection = previousPageCollection();
if (previousPageCollection == null) {
this.currentPageNumber = pageSeq.traitInitialPageNumber(0);
return;
}
final int lastPageNumber =
previousPageCollection.getCurrentPageNumber() - 1;
final int computedPageNumber = pageSeq.traitInitialPageNumber(