import { IAuthenticationHandler } from "./index.js";
export interface AccountInformation {
    username: string;
    passwordEncoded: string;
    totpSecret: string | null;
}
export type GetAccountInformationFunction = ((username: string) => Promise<AccountInformation | null>);
export type EncodePasswordFunction = ((password: string) => string);
export declare class SqliteAuthenticationHandler implements IAuthenticationHandler {
    passwordEncoder: EncodePasswordFunction;
    getAccountInformation: GetAccountInformationFunction;
    constructor(getAccountInformationFunction: GetAccountInformationFunction, passwordEncoder: EncodePasswordFunction);
    needTotp(username: string, _password: string): Promise<boolean | null>;
    tryLogin(username: string, password: string, totp?: string): Promise<boolean | null>;
}
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