private static @NotNull HashMap<String, LwTabbedPane.Constraints> getId2Constraints(final RadComponent component){
    //noinspection unchecked
    HashMap<String, LwTabbedPane.Constraints> id2Constraints = (HashMap<String, LwTabbedPane.Constraints>)component.getClientProperty(CLIENT_PROP_ID_2_CONSTRAINTS);
    if(id2Constraints == null){
      id2Constraints = new HashMap<>();
      component.putClientProperty(CLIENT_PROP_ID_2_CONSTRAINTS, id2Constraints);
    }
    return id2Constraints;
  }
private static @NotNull HashMap<String, LwTabbedPane.Constraints> getId2Constraints(final RadComponent component)