/// <reference types="node" />
import type { BaseDigestOptions } from '../types';
declare function unsafeMD5Sync(plaintext: string, options: BaseDigestOptions & {
    hashFormat: 'hex';
}): string;
declare function unsafeMD5Sync(plaintext: string, options: BaseDigestOptions & {
    hashFormat: 'base64';
}): string;
declare function unsafeMD5Sync(plaintext: string, options: BaseDigestOptions & {
    hashFormat: 'buffer';
}): Buffer;
declare function unsafeMD5Sync(plaintext: string, options: BaseDigestOptions): string;
declare function unsafeMD5Sync(plaintext: string): string;
export default unsafeMD5Sync;