export declare const EVENT_V3_CANONICALIZER: "harnery-jcs-nfc-v1";
export type JsonPrimitive = null | boolean | number | string;
export type JsonValue = JsonPrimitive | JsonValue[] | {
    [key: string]: JsonValue;
};
/**
 * Canonical JSON used for V3 contract digests, event bytes, and fingerprints.
 *
 * It follows RFC 8785's ECMAScript number and string serialization, adds the
 * V3 NFC rule for keys and values, and rejects values that JSON would silently
 * erase or reinterpret. Object keys are serialized directly instead of via an
 * intermediate object so integer-looking keys remain in lexical order.
 */
export declare function canonicalJsonV3(value: unknown): string;
export declare function sha256V3(value: string | Uint8Array): `sha256:${string}`;
export interface FingerprintV3 {
    algorithm: "hmac-sha256";
    canonicalizer: typeof EVENT_V3_CANONICALIZER;
    key_epoch: `pep_${string}`;
    scope: "generation" | "root";
    digest: `sha256:${string}`;
}
export interface FingerprintContextV3 {
    epochId: `pep_${string}`;
    epochKey: Uint8Array;
    rootId: `root_${string}`;
    generationId?: `gen_${string}`;
}
export declare function fingerprintV3(context: FingerprintContextV3, domain: string, value: unknown, scope?: "generation" | "root"): FingerprintV3;
export declare function normalizeNativeIdV3(context: FingerprintContextV3, namespace: string, nativeId: string): `hid_${string}`;
//# sourceMappingURL=canonical.d.ts.map