import { Strategy } from 'passport-jwt';
declare const JwtStrategy_base: new (...args: any[]) => Strategy;
export declare class JwtStrategy extends JwtStrategy_base {
    private readonly logger;
    constructor();
    validate(payload: {
        sub?: number;
        id?: number;
        userId?: number;
        username?: string;
        role?: string;
        isPremium?: boolean;
    }): Promise<{
        id: number | undefined;
        userId: number | undefined;
        username: string | undefined;
        role: string;
        isPremium: boolean;
    }>;
}
export {};