/** Canonical JSON-encode a value. Returns UTF-8 bytes. */
export declare function canonicalJSON(value: unknown): Uint8Array;
/** Standard base64 encoding with padding. */
export declare function base64StandardEncode(bytes: Uint8Array): string;
/** Decode standard base64 (with or without padding) into bytes. */
export declare function base64StandardDecode(s: string): Uint8Array;
/** Hex encoding (lowercase) — for IDs, keys, signatures in test vectors. */
export declare function hexEncode(bytes: Uint8Array): string;
/** Hex decode — lower- or upper-case accepted. */
export declare function hexDecode(s: string): Uint8Array;
//# sourceMappingURL=canonical.d.ts.map