import { GatiService } from '@nxtoai/gati';
export declare class JwtHelper {
    private readonly gati;
    private readonly TOKEN_PREFIX;
    private readonly USER_TOKEN_PREFIX;
    private readonly TOKEN_EXPIRY;
    constructor(gati: GatiService);
    cacheToken(token: string, userid: string): Promise<void>;
    getTokenUser(token: string): Promise<string | null>;
    getUserToken(userid: string): Promise<string | null>;
    invalidateToken(token: string): Promise<void>;
    invalidateUserToken(userid: string): Promise<void>;
}