import { IntervalQueue } from "../interval/interval-queue";
import { Request } from "../request";
import { Statistics as StatisticsType } from "../types/statistics";
export declare class Statistics {
    private readonly intervalQueue;
    private readonly minRequestsForStats;
    private readonly minRequestsForLatencyPercentile;
    private readonly latencyPercentile;
    constructor(intervalQueue: IntervalQueue, options: StatisticsType);
    add(request: Request): void;
    getAverageProcessingTime(): number;
    getPercentileLatencySuccessfulRequests(): number;
    getSuccessfulThroughput(): number;
    getSuccessfulThroughputPerSecond(): number;
    getLowestLatencyForInterval(): number;
    calculateCumulativePriorityDistribution(threshold: number): number;
}