import type { DeterministicReplayEngine, ReplayEngineSnapshot } from '../../../core/deterministic-replay.js';
/**
 * ReplayPanel, diagnostics data provider for the deterministic replay view.
 *
 * Usage:
 * ```ts
 * const panel = new ReplayPanel(engine);
 * panel.subscribe(() => {
 *   const snap = panel.getSnapshot();
 *   render(snap);
 * });
 * ```
 */
export declare class ReplayPanel {
    private readonly _engine;
    private readonly _subscribers;
    private _unsub;
    constructor(engine: DeterministicReplayEngine);
    /**
     * Get the current engine snapshot for rendering.
     */
    getSnapshot(): ReplayEngineSnapshot;
    /**
     * Register a callback invoked whenever engine state changes.
     * @returns An unsubscribe function.
     */
    subscribe(callback: () => void): () => void;
    /**
     * Release all subscriptions and disconnect from the engine.
     */
    dispose(): void;
    private _notify;
}
//# sourceMappingURL=replay.d.ts.map