@Nullable
 private Navigatable[] getNavigatableArray() {
   Project project = myModel.getProject();
   List<DirDiffElementImpl> elements = myModel.getSelectedElements();
   List<Navigatable> navigatables = new ArrayList<>();
   for (DirDiffElementImpl element : elements) {
     DiffElement source = element.getSource();
     DiffElement target = element.getTarget();
     Navigatable navigatable1 = source != null ? source.getNavigatable(project) : null;
     Navigatable navigatable2 = target != null ? target.getNavigatable(project) : null;
     if (navigatable1 != null) navigatables.add(navigatable1);
     if (navigatable2 != null) navigatables.add(navigatable2);
   }
   return ContainerUtil.toArray(navigatables, new Navigatable[navigatables.size()]);
 }
 public ElementWrapper(@NotNull DirDiffElementImpl element) {
   sourceElement = element.getSource();
   targetElement = element.getTarget();
 }