import { Request, Response, NextFunction } from 'express';
declare class AuthService {
    private jwtSecret;
    private jwtExpiry;
    private googleClient;
    constructor();
    generateToken(user: any): string;
    verifyGoogleToken(credential: string): Promise<{
        user: any;
        token: string;
    }>;
    verifyToken(token: string): any;
    requireAuth: (req: Request & {
        user?: any;
    }, res: Response, next: NextFunction) => Promise<Response<any, Record<string, any>> | undefined>;
    requireRole: (roles: string[]) => (req: Request & {
        user?: any;
    }, res: Response, next: NextFunction) => Response<any, Record<string, any>> | undefined;
    getGoogleAuthUrl(): string;
    exchangeGoogleCode(code: string): Promise<any>;
    getGoogleUserInfo(accessToken: string): Promise<any>;
    handleGoogleAuth(code: string): Promise<{
        user: any;
        token: string;
    }>;
}
declare const _default: AuthService;
export default _default;
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