import { t } from '../common';
declare type Node = t.ITreeNode;
export declare class TreeQuery<T extends Node = Node> implements t.ITreeQuery<T> {
    static create<T extends Node = Node>(args: T | t.ITreeQueryArgs<T>): t.ITreeQuery<T>;
    static children<T extends Node = Node>(of?: T, fn?: t.TreeChildrenVisitor<T> | t.TreeChildrenOptions, options?: t.TreeChildrenOptions): T[];
    static hasChild(parent?: Node, child?: t.NodeIdentifier): boolean;
    static childAt<T extends Node>(index: number, parent?: T): T;
    private constructor();
    readonly root: T;
    readonly namespace: string;
    walkDown: t.TreeWalkDown<T>;
    walkUp: t.TreeWalkUp<T>;
    find: t.TreeFind<T>;
    findById: t.TreeFindById<T>;
    parent: t.TreeParent<T>;
    ancestor: t.TreeAncestor<T>;
    depth: t.TreeDepth<T>;
    exists: t.TreeNodeExists<T>;
}
export {};