/// <reference types="node" />
import type { DigestOptions } from './types';
declare function digestSync(plaintext: string, options: DigestOptions & {
    hashFormat: 'hex';
}): string;
declare function digestSync(plaintext: string, options: DigestOptions & {
    hashFormat: 'base64';
}): string;
declare function digestSync(plaintext: string, options: DigestOptions & {
    hashFormat: 'buffer';
}): Buffer;
declare function digestSync(plaintext: string, options: DigestOptions): string;
declare function digestSync(plaintext: string): string;
export default digestSync;