private List<PDAction> getNext() { List<org.apache.pdfbox.pdmodel.interactive.action.PDAction> nextActionList = ((org.apache.pdfbox.pdmodel.interactive.action.PDAction) this.simplePDObject) .getNext(); if (nextActionList != null) { List<PDAction> actions = new ArrayList<>(nextActionList.size()); for (org.apache.pdfbox.pdmodel.interactive.action.PDAction action : nextActionList) { PDAction result = getAction(action); if (result != null) { actions.add(result); } } return Collections.unmodifiableList(actions); } return Collections.emptyList(); }