/**
 * Canonicalization and hash-payload assembly per SPEC/uvrn-receipt-v1.md §1–2.
 * This module is environment-pure (no crypto, no Node APIs) so the Cloudflare worker and the
 * browser can import it directly — one canonicalization implementation in the whole ecosystem.
 */
import type { NetworkReceipt } from '../types';
export { CANONICAL_SERIALIZATION_V2, CanonicalSerializationError, canonicalSerializeV2, } from '@uvrn/core/canonical-serialize-2';
export type { CanonicalSerializationErrorCode } from '@uvrn/core/canonical-serialize-2';
/**
 * Stable receipt API delegated to core's environment-pure canonical-serialize-2 implementation.
 */
export declare function canonicalize(value: unknown): string;
/**
 * The declared hash field list for `uvrn-receipt-4` (SPEC §2.4).
 * The hash covers exactly these fields; everything else on the envelope is ignored by verifiers.
 */
export declare const NETWORK_RECEIPT_HASH_FIELDS: readonly ["schemaVersion", "kind", "claim", "source", "action", "occurredAt", "payload", "topic", "tags", "narrative", "links", "chainId", "sdk"];
/**
 * assembleHashInput picks the declared `uvrn-receipt-4` hash fields off an envelope,
 * including optional fields only when present. Unknown envelope fields are ignored by design
 * (the additive unknown-field rule).
 */
export declare function assembleHashInput(receipt: Partial<NetworkReceipt> | Record<string, unknown>): Record<string, unknown>;
/**
 * The declared hash field list for the frozen legacy registry shape `drvc3-receipt-1`
 * (SPEC §2.3). `sdk` is required there; the optional tail is included only when present.
 */
export declare const LEGACY_RECEIPT_HASH_FIELDS: readonly ["schemaVersion", "source", "action", "payload", "occurredAt", "sdk", "tags", "receiptType", "narrative", "links", "chainId"];
/**
 * assembleLegacyHashInput reproduces the worker's frozen `drvc3-receipt-1` hash input so the
 * registry can retire its hand-rolled duplicate. Behavior is byte-identical to the live worker.
 */
export declare function assembleLegacyHashInput(record: Record<string, unknown>): Record<string, unknown>;
/** Matches a prefixed receipt hash, e.g. `sha256:ab12...` (64 lowercase hex chars). */
export declare const RECEIPT_HASH_PATTERN: RegExp;
/** formatReceiptHash wraps a raw lowercase hex digest in the prefixed encoding. */
export declare function formatReceiptHash(hex: string): string;
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