/// <reference types="node" />
import { Stats } from 'fs-extra';
import { EventEmitter } from 'events';
export interface WalkOptions {
    dereference: boolean;
}
export interface FolderWalkerEvent {
    on(event: 'dir', callback: (dir: string, stat: Stats) => void): any;
    on(event: 'file', callback: (dir: string, stat: Stats) => void): any;
    on(event: 'link', callback: (dir: string, stat: Stats) => void): any;
}
export declare class FolderWalker extends EventEmitter implements FolderWalkerEvent {
    private callback;
    private callbackCounter;
    protected options: WalkOptions;
    constructor(options?: Partial<WalkOptions>);
    walk(baseDir: string): Promise<{}>;
    protected visit(dir: string, item: string): Promise<void>;
    protected visitDir(dir: string): Promise<void>;
    protected wait(p: Promise<void>): void;
}