/// <reference types="node" />
import { ZlibOptions } from 'zlib';
export declare function zipBuffer(buf: Buffer, options?: ZlibOptions): Promise<Buffer>;
export declare function gzipBuffer(buf: Buffer, options?: ZlibOptions): Promise<Buffer>;
export declare function unzipBuffer(buf: Buffer, options?: ZlibOptions): Promise<Buffer>;
export declare function gunzipBuffer(buf: Buffer, options?: ZlibOptions): Promise<Buffer>;
export declare function zipString(s: string, options?: ZlibOptions): Promise<Buffer>;
export declare function gzipString(s: string, options?: ZlibOptions): Promise<Buffer>;
export declare function unzipToString(buf: Buffer, options?: ZlibOptions): Promise<string>;
export declare function gunzipToString(buf: Buffer, options?: ZlibOptions): Promise<string>;