/**
 * Converts a `wrapYjs` proxy into a plain JSON-compatible object or array.
 *
 * This calls the `toJSON()` method of the underlying Y.js value.
 *
 * @param proxy The `wrapYjs` proxy to convert.
 * @returns A plain JSON-compatible object or array.
 */
export declare function yjsWrapperToJson<T extends object>(proxy: T): T;