/**
 * This Source Code is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) Infonomic Company Limited
 */
/** Hash a plaintext password. Returns a full PHC string. */
export declare function hashPassword(plaintext: string): Promise<string>;
/**
 * Verify a plaintext password against a stored PHC string. Returns `false`
 * on mismatch — never throws for a normal mismatch. Re-throws on malformed
 * hash strings or underlying library errors so those get surfaced.
 */
export declare function verifyPassword(plaintext: string, phc: string): Promise<boolean>;