export declare class NetworkSpeedDetector {
    private bandwidthHistory;
    private latencyHistory;
    private readonly HISTORY_SIZE;
    estimateBandwidth(): Promise<number>;
    measureLatency(): Promise<number>;
    assessConnectionQuality(): Promise<'excellent' | 'good' | 'poor' | 'offline'>;
    private getAverageBandwidth;
    private getAverageLatency;
    getNetworkStats(): {
        bandwidth: number;
        latency: number;
        history: number[];
    };
}
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