export interface TraversableProps<T> {
    visible?: boolean;
    maskOnly?: boolean;
    onBeforeRender?: (ref: T) => void;
}
export default class Traversable {
    readonly isTraversable = true;
    children: Traversable[];
    parent: Traversable;
    visible: boolean;
    maskOnly: boolean;
    onBeforeRender: (ref: Traversable) => void;
    constructor(props?: TraversableProps<Traversable>);
    append(child: Traversable): void;
    remove(child: Traversable): void;
    hide(): void;
    unhide(): void;
    invalidateSceneGraph(): void;
}