import type { AtribRecord } from './types.js';
/**
 * Produce the canonical signing input for an attribution record (§1.3).
 * Removes the `signature` field, applies JCS serialization, returns UTF-8 bytes.
 */
export declare function canonicalSigningInput(record: AtribRecord): Uint8Array;
/**
 * Produce the canonical form of a signed record (for hashing).
 * Includes the signature field.
 */
export declare function canonicalRecord(record: AtribRecord): Uint8Array;
/**
 * Cross-attestation canonical signing input per spec §1.7.6 (D052).
 *
 * Each entry in a transaction record's `signers` array signs over the
 * SAME bytes: the JCS serialization of the record with `signers` set to
 * `[]` (empty array) and the top-level `signature` field omitted. This
 * ensures all signers commit to identical content; verifiers reproduce
 * these bytes once and check each signer's signature against them.
 *
 * Use only on transaction records (event_type =
 * https://atrib.dev/v1/types/transaction). On other event types, the
 * standard `canonicalSigningInput` applies.
 */
export declare function canonicalCrossAttestationInput(record: AtribRecord): Uint8Array;
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