/// <reference types="node" />
/// <reference types="node" />
import { TransformOptions } from 'stream';
export declare class ZipArchive {
    private readonly _pack;
    private readonly _gz;
    constructor(opts?: TransformOptions);
    append(name: string, sourceMap: string): this;
    finalize(): Promise<ZipArchive>;
    on(event: string, listener: (...args: unknown[]) => void): this;
    pipe<T extends NodeJS.WritableStream>(destination: T, options?: {
        end?: boolean;
    }): T;
}