/// <reference types="node" />
/// <reference types="node" />
import { EventEmitter } from 'events';
import type { Debugger } from 'debug';
export declare class CongestionControl extends EventEmitter {
    writing: boolean;
    logger: Debugger;
    rtt: number;
    rtt_var: number;
    timeout: number;
    timeoutCounter?: NodeJS.Timeout;
    baseDelay: {
        delay: number;
        timestamp: number;
    };
    ourDelay: number;
    max_window: number;
    cur_window: number;
    reply_micro: number;
    sendRate: number;
    outBuffer: Map<number, number>;
    constructor();
    canSend(): Promise<boolean>;
    updateRTT(timestamp: number, ackNr: number): void;
    throttle(): void;
    updateDelay(timestamp: number, timeReceived: number): void;
    updateWindow(): void;
}
//# sourceMappingURL=congestionControl.d.ts.map