import type * as Zip from 'adm-zip';
interface CertificateResponse {
    certificate: string;
    timestamp: string;
    timestampCertificate: string;
}
/**
 * Get certificate and trusted timestamp
 * @internal Exported for testing.
 */
export declare function getCertificate(appId: string, csr: string, hash: string): Promise<CertificateResponse>;
/** Sign archive with certificate */
export declare function signArchiveNew(
/** The archive to sign */
archive: Zip, id: string): Promise<Zip>;
/** Locate the position/index of EOCD within a zip file buffer using ENDSIG */
export declare function getEocdPosition(archive: Buffer): number;
export {};