import type { AttributionReceipt } from './types.js';
/** Add the cited principal's consent signature. The private key must match
 *  cited_principal_public_key on the receipt or this throws. Does not
 *  mutate the input receipt. */
export declare function signAttributionConsent(receipt: AttributionReceipt, cited_principal_private_key: string): AttributionReceipt;
//# sourceMappingURL=sign.d.ts.map