import { type proto } from '@reclaimprotocol/attestor-core';
/** Session-bound authorization in both forms used by Reclaim proof clients. */
export interface AttestorAuthentication {
    /** Native object consumed by the JavaScript attestor client. */
    request: proto.AuthenticationRequest;
    /** Legacy base64 JSON token consumed by native TEE clients. */
    token: string;
}
/**
 * Create legacy-compatible attestor authorization when the deployment has an
 * auth private key. An absent key intentionally means authentication is off.
 */
export declare function createAttestorAuthentication(sessionId: string, privateKey: string | undefined): Promise<AttestorAuthentication | undefined>;