import { HashResult } from '../web-models/auth';
export declare abstract class AuthUtils {
    private static readonly JWT_SECRET;
    private static readonly IS_LOCAL_DEV;
    private static readonly RECAPTCHA_URL;
    static getHash(text: string): Promise<HashResult>;
    static verifyHash(text: string, test: HashResult): Promise<boolean>;
    static getToken(userId: number, minutes: number): string;
    static verifyToken(token: string): number;
    static validateRecaptcha(token: string, action: string): Promise<any>;
}