export declare class BandwidthCalculator { private readonly clearThresholdMs; private loadingsCount; private readonly bytes; private readonly loadingOnlyTimestamps; private readonly timestamps; private noLoadingsTime; private loadingsStoppedAt; constructor(clearThresholdMs?: number); addBytes(bytesLength: number, now?: number): void; startLoading(now?: number): void; stopLoading(now?: number): void; getBandwidthLoadingOnly(seconds: number, ignoreThresholdTimestamp?: number): number; getBandwidth(seconds: number, ignoreThresholdTimestamp?: number, now?: number): number; clearStale(): void; clear(): void; }