/**
 * Canonical serialization helpers shared by everything that needs stable,
 * environment-independent output — contract hashing (contract.ts) and
 * semantic cache keys (cache/query-signature.ts). Keep ordering logic here so
 * the two paths cannot drift apart.
 */
/**
 * Locale-independent string comparison by UTF-16 code unit. Used everywhere
 * canonical output sorts, so hashes and cache keys are stable across
 * environments (CI ICU versions, locales) rather than depending on
 * `localeCompare`.
 */
export declare function compareStrings(left: string, right: string): number;
/** Builds an object whose keys are inserted in sorted order for stable JSON. */
export declare function sortedRecord<T>(entries: [string, T][]): Record<string, T>;
/** Deduplicates and sorts a list so logically-equal sets serialize identically. */
export declare function uniqueSorted(values: readonly string[]): string[];
/** JSON.stringify with recursively sorted object keys, so key order never matters. */
export declare function stableStringify(value: unknown): string;
//# sourceMappingURL=canonical-json.d.ts.map