/// <reference types="node" />
import fs from "fs";
export interface IResult {
    totalSize: number;
    size: number;
    packageFreeSize: number;
    packageCount: number;
    fileCount: number;
    fileList: string[];
    dirList: string[];
    packageFileList: string[];
    removeFiles: string[];
}
export declare type Callback = (err: Error | null, res: IResult) => void;
export declare const unlinkAsync: typeof fs.unlink.__promisify__;
export declare const rmdirAsync: typeof fs.rmdir.__promisify__;
export declare const statAsync: typeof fs.stat.__promisify__;
export declare function rmdir(dir: string): Promise<void>;
export declare function humanFileSize(size: number): string;
export declare function listFiles(base: string): Promise<IResult>;
export declare function reducePackageJson(name: string, write?: boolean): {
    size: number;
    removeFiles: string[];
};