declare module "totpChecker" {
    export interface ToTpGeneratorOptions {
        digits?: number;
        period?: number;
        algorithm?: "SHA-1" | "SHA-256" | "SHA-512";
        label?: string;
        secretLength?: number;
        issuer: string;
    }
    export interface ToTpSecretAndUrl {
        url: string;
        secret: string;
    }
    export class TotpChecker {
        static ValidateTotp(_totpSecret: string, _code: string): Promise<boolean>;
        static EncodeBase32(input: Buffer): string;
        static GenerateCode(optionsOrIssuer: ToTpGeneratorOptions | string): ToTpSecretAndUrl;
    }
}
declare module "yesManAuthenticationHandler" {
    import { IAuthenticationHandler } from "index";
    export class YesManAuthenticationHandler implements IAuthenticationHandler {
        private useTotp;
        constructor(useTotp: boolean);
        tryLogin(username: string, password: string, totp?: string): Promise<boolean | null>;
        needTotp(username: string): Promise<boolean | null>;
    }
}
declare module "sqliteAuthenticationHandler" {
    import { IAuthenticationHandler } from "index";
    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 class SqliteAuthenticationHandler implements IAuthenticationHandler {
        passwordEncoder: EncodePasswordFunction;
        getAccountInformation: GetAccountInformationFunction;
        constructor(getAccountInformationFunction: GetAccountInformationFunction, passwordEncoder: EncodePasswordFunction);
        needTotp(username: string): Promise<boolean | null>;
        tryLogin(username: string, password: string, totp?: string): Promise<boolean | null>;
    }
}
declare module "index" {
    export interface IAuthenticationHandler {
        tryLogin(username: string, password: string, totp?: string): Promise<boolean | null>;
        needTotp(username: string): Promise<boolean | null>;
    }
    export class AuthenticationLoader {
        private handlers;
        addAuthenticationHandler(authenticationHandler: IAuthenticationHandler): void;
        tryLogin(username: string, password: string, totpCode?: string): Promise<boolean>;
        needTotp(username: string): Promise<boolean>;
    }
    import { YesManAuthenticationHandler } from "yesManAuthenticationHandler";
    export { YesManAuthenticationHandler };
    import { TotpChecker, ToTpGeneratorOptions, ToTpSecretAndUrl } from "totpChecker";
    export { TotpChecker, ToTpGeneratorOptions, ToTpSecretAndUrl };
    import { AccountInformation, EncodePasswordFunction, GetAccountInformationFunction, SqliteAuthenticationHandler } from "sqliteAuthenticationHandler";
    export { AccountInformation, EncodePasswordFunction, GetAccountInformationFunction, SqliteAuthenticationHandler };
}
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