@Override
      public void setSelected(@NotNull AnActionEvent e, boolean state) {
        DiffPreview previewSplitter = ObjectUtils.chooseNotNull(mySplitterDiffPreview, myEditorDiffPreview);
        DiffPreview.setPreviewVisible(previewSplitter, state);
        myVcsConfiguration.SHELVE_DETAILS_PREVIEW_SHOWN = state;
      }
@Override
      public void setSelected(@NotNull AnActionEvent e, boolean state)