import { OTPTransportIdentifier } from "../types/otp";
import { ConfigData, User, UserSession } from "../types/session";
/**
 * @description Implements the authentication methods
 */
export declare class Authentication {
    private sessionManager;
    private otpManager;
    private userManager?;
    private config;
    private mailerConfig;
    private smsConfig;
    constructor(config: ConfigData);
    loginWithOTP(OTP: string, key: string, transporterIdentifier: OTPTransportIdentifier, expire: number, user?: User): Promise<UserSession>;
    loginWithUsernamePassword(username: string, password: string, expire: number, user?: User): Promise<UserSession | null>;
    /**
     *
     * @param phone {string}
     * @returns OTPKey
     */
    authenticateBySMSOTP(phone: string): Promise<string | null>;
    /**
     *
     * @param email {string}
     * @returns OTPKey
     */
    authenticateByEmailOTP(email: string): Promise<string | null>;
    resendOTP(key: string, transporterIdentifier: OTPTransportIdentifier): Promise<string | null>;
    private getMessageTemplate;
}