import { MutableRefObject } from 'react';
/** Keep ref.current in sync with value (avoids stale closures without triggering re-renders) */
export declare function useLatestRef<T>(value: T): MutableRefObject<T>;
/** Suppress async Milkdown collab errors during cleanup */
export declare function useCleanupErrorSuppression(): () => void;
/** Safely destroy resources, optionally handling errors */
export declare const safeDestroy: (fn: () => void, onError?: (e: unknown) => void) => void;