/** Shared canonical-JSON serialization, used by both the export orchestrator and the browser
 * font runtime wherever a value needs a stable digest or a deterministic wire form. */
export declare function isWellFormedUnicode(value: string): boolean;
export declare function assertWellFormedUnicode(value: string): void;
/** Serialize report/schema values with recursively sorted object keys and no insignificant space. */
export declare function canonicalJson(value: unknown): string;
//# sourceMappingURL=canonical.d.ts.map