code: public void setPageAction(PdfName actionType, PdfAction action, int page) throws PdfException {
          stamper.setPageAction(actionType, action, page);
      }
docs: Sets the open and close page additional action.
  @param actionType the action type. It can be <CODE>PdfWriter.PAGE_OPEN</CODE>
  or <CODE>PdfWriter.PAGE_CLOSE</CODE>
  @param action the action to perform
  @param page the page where the action will be applied. The first page is 1
  @throws PdfException if the action type is invalid