import type { Room } from 'livekit-client';
import type { StatsAdapter } from '../../../core/ports/outbound/stats-adapter.port';
import type { NetworkQuality, NetworkQualityEvent } from '../../../core/types/events.types';
/**
 * LiveKit implementation of StatsAdapter.
 *
 * Subscribes to LiveKit Room events directly and provides stats functionality
 * to StatsService without going through ProviderAdapter.
 */
export declare class LiveKitStatsAdapter implements StatsAdapter {
    private room;
    private callbacks;
    constructor(room: Room);
    getNetworkQuality(): NetworkQuality;
    getStats(): Promise<RTCStatsReport>;
    onNetworkQualityChanged(callback: (event: NetworkQualityEvent) => void): () => void;
    destroy(): void;
    private setupEventListeners;
    private handleConnectionQualityChanged;
}
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