export interface RefreshToken {
    token: string;
    expiration: Date;
}
export interface AuthpalJWTPayload {
    userid?: string | number;
}
export interface AuthpalConfigs<TT extends AuthpalJWTPayload = AuthpalJWTPayload> {
    jwtSecret: string;
    usernameField?: string;
    passwordField?: string;
    refreshTokenExpiration?: number;
    findUserByUsernameCallback(username: string): Promise<TT | null> | TT | null;
    findUserByIDCallback(userid: string | number): Promise<TT | null> | TT | null;
    findUserByRefreshToken(refreshToken: string): Promise<TT | null> | TT | null;
    verifyPasswordCallback(username: string, password: string): Promise<boolean> | boolean;
    tokenRefreshedCallback(jwtPayload: TT, token: RefreshToken): Promise<void> | void;
}
export declare const DEFAULT_EXPIRATION_TIME: number;