/**
 * 用于遍历的节点接口
 */
export interface INode {
    children?: Array<INode>;
    [prop: string]: any;
}
/**
 * 用于遍历的节点信息
 */
export interface INodeInfo<T extends INode> {
    node: T;
    parent?: T;
    stack?: Array<T>;
    nodePath?: string;
    jsonPath?: string;
    index?: number;
    key?: string | number;
}
export interface TraverseOptions {
    mode?: 'onlyChildren' | 'onlyArray' | 'anyObject';
    depthFirst?: boolean;
    excludedKeySet?: Set<string>;
}
/**
 * 遍历树
 * @param func
 * @param init 初始点信息
 * @param options.mode 'onlyChildren' 表示只向下遍历 children 的元素（默认）；'onlyArray' 表示只向下遍历 Array 的元素；'anyObject' 表示只要属性为 Object 类型都会遍历
 * @param options.depthFirst 默认广度优先搜索，是否深度优先搜索
 * @example traverse((current) => console.log(current.node.name), { init: rootNode });
 * @example traverse((current) => console.log(current.jsonPath), { init: ast }, { mode: 'anyObject' });
 */
export declare function traverse<T extends INode>(func: (current: INodeInfo<T>) => any, init: INodeInfo<T>, options?: TraverseOptions): any;
export default traverse;