public void initDefault(@NotNull FileColorManager manager, @Nullable @NlsContexts.Button String selectedColorName) {
    for (String id : manager.getColorIDs()) {
      addColorButton(id, manager.getColorName(id), Objects.requireNonNull(manager.getColor(id)));
    }
    addCustomColorButton();
    setSelectedColor(selectedColorName);
  }
public void initDefault(@NotNull FileColorManager manager, @Nullable @NlsContexts.Button String selectedColorName)