public T setChildren(List<Element> children) {
for (Element child : children) {
child.parent = this;
}
this.children = children;
return (T) this;
}
public T addChild(Element element) {
element.parent = this;
ElementEventGenerator.triggerBeforeInsert(this, element);
this.children.add(element);
ElementHelper.reorderElements(this.children);
ElementEventGenerator.triggerAfterInsert(this, element);
return (T) this;
}