import { MutableRefObject } from 'react';

/**
 * Scoped guard for RTC remote → local apply.
 *
 * `remoteUpdateRef` used to stay true for seconds (holdRemoteApplyLock), which
 * blocked real user metadata writes via guardRemoteEcho. Depth tracks only the
 * synchronous remote-apply window (plus one paint for structural remounts).
 */
export type RemoteApplyGuardRefs = {
    remoteApplyDepthRef: MutableRefObject<number>;
    remoteUpdateRef: MutableRefObject<boolean>;
};
export declare function syncRemoteUpdateFlag(refs: RemoteApplyGuardRefs): void;
export declare function beginRemoteApply(refs: RemoteApplyGuardRefs): void;
export declare function endRemoteApply(refs: RemoteApplyGuardRefs): void;
export declare function runUnderRemoteApply(refs: RemoteApplyGuardRefs, fn: () => void): void;
/** End after Workbook remount hooks have flushed (2 rAF ≈ one paint). */
export declare function endRemoteApplyAfterPaint(refs: RemoteApplyGuardRefs): void;