@Override
  public void setShowLibraryContents(@NotNull String paneId, boolean showLibraryContents) {
    if (myShowLibraryContents.isEnabled(paneId)) myShowLibraryContents.setSelected(showLibraryContents);
  }
@Override
  public void setShowLibraryContents(@NotNull String paneId, boolean showLibraryContents)