/**
 * Deep-clones `value`, but skips the clone entirely and returns the
 * previous result if `value` is reference-identical to the last render.
 * Combine with your own shallow-diffing upstream for maximum benefit.
 *
 * @param value The value to safely deep-clone
 * @returns A deep-cloned value (stable reference across renders where `value` itself hasn't changed)
 */
export declare function useDeepClone<T>(value: T): T;