/**
 * Options for `toYjsProxy`.
 */
export interface ToYjsProxyOptions {
    /**
     * Whether to deep clone the input value.
     * If `true` (default), the input value is deep cloned into the proxy.
     * If `false`, the input value is used as the initial JSON data for the proxy,
     * meaning mutations to the proxy while detached will affect the original object.
     */
    clone?: boolean;
}
/**
 * Converts a plain JavaScript object or array into a proxied Y.js value.
 *
 * The returned proxy starts in "detached mode" (detached from any Y.js document).
 *
 * When this proxy is assigned to a property of another Y.js proxy, it will be
 * automatically converted to a real Y.js value and attached to the document.
 *
 * @param val The plain JavaScript object or array to convert.
 * @param options Options for the conversion.
 * @returns A Y.js proxy in detached mode.
 */
export declare function toYjsProxy<T extends object>(val: T, options?: ToYjsProxyOptions): T;