@Override
  public boolean isRequired() {
    if (myParentTagName == null) return super.isRequired();
    final List<String> requiredAttrs = FxmlConstants.FX_BUILT_IN_TAG_REQUIRED_ATTRIBUTES.get(myParentTagName);
    return requiredAttrs != null && requiredAttrs.contains(getName());
  }
@Override
  public boolean isRequired()