import type { HybridTimestamp } from '../../types/time.js';
import type { AgentDID, AttributionReceipt, ContextID, PrincipalDID } from './types.js';
/** The canonical unsigned core of a receipt. Both citer and cited principal
 *  sign exactly this payload, and the receipt id is sha256(core). */
type ReceiptCoreInput = AttributionReceipt | Omit<AttributionReceipt, 'id' | 'citer_signature' | 'cited_principal_signature'>;
export declare function receiptCore(receipt: ReceiptCoreInput): string;
/** Write-boundary twin of receiptCore().
 *
 *  Shares one implementation body with receiptCore() so the two can never drift apart
 *  on the field list. Emits the same bytes for every value it accepts; the only
 *  difference is that an integer-valued number outside the interoperable IEEE 754
 *  range is refused instead of serialized. Use at signing and new-write boundaries
 *  ONLY: receiptCore() stays unrestricted so an artifact signed before this rule keeps
 *  verifying. */
export declare function receiptCoreForWrite(receipt: ReceiptCoreInput): string;
export interface CreateAttributionReceiptParams {
    citer: AgentDID;
    citer_public_key: string;
    citer_private_key: string;
    cited_principal: PrincipalDID;
    cited_principal_public_key: string;
    citation_content: string;
    binding_context: ContextID;
    created_at: HybridTimestamp;
    expires_at: HybridTimestamp;
}
/** Build an AttributionReceipt signed by the citer. The cited principal's
 *  consent signature is still absent — verifyAttributionConsent() will
 *  reject this receipt until signAttributionConsent() runs. */
export declare function createAttributionReceipt(params: CreateAttributionReceiptParams): AttributionReceipt;
export {};
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