export declare class ValidateTokenOptions {
    issuers?: string[];
    cert?: Buffer;
}
export declare class JwtService {
    private readonly client?;
    private readonly cert?;
    private readonly audiences?;
    private readonly issuers;
    constructor();
    validateToken(token: string, options?: ValidateTokenOptions): Promise<boolean>;
    decodeToken(token: string): Promise<object>;
    private getKey;
    private getCertOrKey;
}