/// <reference types="node" />
import crypto from 'crypto';
import stream from 'stream';
export declare class HashStream extends stream.Transform {
    private readonly hash;
    private readonly flushed;
    constructor(algorithm?: string | crypto.Hash, options?: stream.TransformOptions);
    digest(): Buffer;
    digest(encoding: crypto.HexBase64Latin1Encoding): string;
    digestFinal(): Promise<Buffer>;
    digestFinal(encoding: crypto.HexBase64Latin1Encoding): Promise<string>;
    _transform(chunk: any, encoding: BufferEncoding, callback: stream.TransformCallback): void;
    _flush(callback: stream.TransformCallback): void;
}
//# sourceMappingURL=HashStream.d.ts.map