import * as OTPAuth from 'otpauth';
import { TwoFactorUserDto } from './generated/rest-dto/two-factor-user.dto';
import { PrismaClient } from './generated/prisma-client';
import { TwoFactorEventsService } from './two-factor-events.service';
import { TwoFactorConfiguration } from './two-factor.configuration';
export declare class TwoFactorService {
    private readonly prismaClient;
    private readonly twoFactorConfiguration;
    private readonly twoFactorEventsService;
    private readonly logger;
    constructor(prismaClient: PrismaClient, twoFactorConfiguration: TwoFactorConfiguration, twoFactorEventsService: TwoFactorEventsService);
    getTotp(options: {
        username?: string;
        secret: string;
        timeout: number;
    }): Promise<OTPAuth.TOTP>;
    generateCode(options: {
        type: string;
        operationName: string;
        externalUserId: string;
        externalTenantId: string;
        externalUsername?: string;
        repetition?: boolean;
    }): Promise<{
        twoFactorUser: TwoFactorUserDto;
        twoFactorCode: {
            TwoFactorUser: {
                id: string;
                externalTenantId: string;
                createdAt: Date;
                updatedAt: Date;
                username: string | null;
                secret: string;
                externalUserId: string;
            };
        } & {
            type: string;
            id: string;
            operationName: string;
            code: string;
            used: boolean;
            outdated: boolean;
            externalTenantId: string;
            createdAt: Date;
            updatedAt: Date;
            userId: string;
        };
        twoFactorTimeout: number;
    }>;
    validateCode(options: {
        operationName: string;
        code: string;
        externalTenantId: string;
    }): Promise<{
        twoFactorUser: {
            id: string;
            externalTenantId: string;
            createdAt: Date;
            updatedAt: Date;
            username: string | null;
            secret: string;
            externalUserId: string;
        };
        twoFactorCode: {
            TwoFactorUser: {
                id: string;
                externalTenantId: string;
                createdAt: Date;
                updatedAt: Date;
                username: string | null;
                secret: string;
                externalUserId: string;
            };
        } & {
            type: string;
            id: string;
            operationName: string;
            code: string;
            used: boolean;
            outdated: boolean;
            externalTenantId: string;
            createdAt: Date;
            updatedAt: Date;
            userId: string;
        };
        twoFactorTimeout: number;
    }>;
    private getOrCreateUser;
    private removeOutdateTwoFactorCode;
}