import { Request, Response } from "express";
import Redis from "ioredis";
interface GetStats {
    settings: {
        bucket_duration: number;
        bucket_current: number;
        length: number;
    };
    data: {};
}
export declare class SwsTimeline {
    private readonly redis;
    private options;
    settings: {
        bucket_duration: number;
        bucket_current: number;
        length: number;
    };
    private data;
    private startTime;
    private startUsage;
    private memorySum;
    private memoryMeasurements;
    private lag;
    constructor(redis: Redis);
    getStats(): GetStats;
    initialize(swsOptions: any): Promise<void>;
    tick(ts: number): Promise<void>;
    private setMaxEvenLoopLag;
    private getTimelineBucket;
    private openTimelineBucket;
    private closeTimelineBucket;
    private expireTimelineBucket;
    private updateMemoryUsage;
    private setMemoryStats;
    countRequest(req: Request & {
        sws: any;
    }): Promise<void>;
    countResponse(res: Response & {
        _swsReq: any;
    }): Promise<void>;
}
export {};