private void validateMousePointer(@NotNull MouseEvent e, @Nullable EditorMouseEvent editorMouseEvent) {
    if (e.getSource() == myGutterComponent) {
      myGutterComponent.validateMousePointer(e);
    }
    else {
      myGutterComponent.setActiveFoldRegions(Collections.emptyList());
      myDefaultCursor = getDefaultCursor(e, editorMouseEvent);
      updateEditorCursor();
    }
  }
private void validateMousePointer(@NotNull MouseEvent e, @Nullable EditorMouseEvent editorMouseEvent)