export declare const RootNodeId = "-1";
export interface Identity {
    id: any;
}
export declare type TreeNode<T extends Identity> = T & {
    id: any;
    children?: TreeNode<T>[];
    data?: T;
};
export interface NodeContext<T extends Identity> {
    parent?: TreeNode<T>;
    children: TreeNode<T>[];
    level: number;
    index: number;
    path: number[];
}
export interface NamingStrategy {
    pidField?: any;
    levelField?: any;
    indexField?: any;
}