import { type PartialWithUndefined } from '@augment-vir/common';
import { type IArgon2Options } from 'hash-wasm';
/**
 * Default value for {@link HashPasswordOptions}.
 *
 * @category Internal
 */
export declare const defaultHashOptions: HashPasswordOptions;
/**
 * Options for {@link hashPassword}.
 *
 * @category Internal
 */
export type HashPasswordOptions = PartialWithUndefined<Omit<IArgon2Options, 'outputType' | 'salt' | 'password' | 'secret'>>;
/**
 * Hashes a password using the Argon2id algorithm so passwords don't need to be stored in plain
 * text. The output of this function is safe to store in a database for future credential
 * comparisons.
 *
 * @category Auth : Host
 * @returns The hashed password.
 * @see https://en.wikipedia.org/wiki/Argon2
 */
export declare function hashPassword(password: string, options?: HashPasswordOptions): Promise<string>;
/**
 * A utility that provides more accurate string byte size than doing `string.length`.
 *
 * @category Internal
 */
export declare function getByteLength(input: string): number;
/**
 * Checks if the given password is a match by comparing it to the previously computed and stored
 * hash.
 *
 * @category Auth : Host
 */
export declare function doesPasswordMatchHash({ password, hash, }: {
    /** The password entered by the user in their login attempt. */
    password: string;
    /** The stored password hash for that user. */
    hash: string;
}): Promise<boolean>;