import type { BaseKeyDerivationOptions, GetKDFResult } from '.';
import { RequiredExcludeUndefined } from '../utils/type';
declare const typeNameList: ("argon2d" | "argon2id")[];
export declare type Argon2Algorithm = (typeof typeNameList)[number];
export interface Argon2Options extends BaseKeyDerivationOptions {
    algorithm: Argon2Algorithm;
    iterations?: number | undefined;
    memory?: number | undefined;
    parallelism?: number | undefined;
}
export declare type NormalizedArgon2Options = RequiredExcludeUndefined<Argon2Options>;
export declare const defaultOptions: NormalizedArgon2Options;
export declare function isArgon2Options<T>(options: T): options is T extends Argon2Options ? T : never;
declare type GetArgon2KDFResult = GetKDFResult<NormalizedArgon2Options>;
export declare function getArgon2KDF(options: Readonly<Argon2Options>): GetArgon2KDFResult;
export {};