private static List<FXOMObject> getChildComponents(FXOMObject component) {
    if (component instanceof FXOMInstance) {
      Map<PropertyName, FXOMProperty> properties = ((FXOMInstance)component).getProperties();
      FXOMProperty value = properties.get(ourChildrenPropertyName);
      if (value instanceof FXOMPropertyC) {
        return ((FXOMPropertyC)value).getValues();
      }
    }
    return Collections.emptyList();
  }
private static List<FXOMObject> getChildComponents(FXOMObject component)