/**
 * Recursively canonicalizes a JSON-compatible value into a deterministic
 * shape: object keys are sorted by UTF-16 code unit and entries with
 * `undefined` values are dropped, matching `JSON.stringify` object semantics.
 * Returns a new value; the input is not mutated.
 */
export declare function canonicalizeJson(value: unknown): unknown;
/**
 * Deterministic JSON serialization with recursively sorted object keys.
 * Equality of the output strings is equivalent to deep JSON equality of the
 * inputs, regardless of key insertion order.
 */
export declare function canonicalJsonStringify(value: unknown): string;
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