import { Detector } from "./Detector";
import { PeerConnectionMonitor } from "../monitors/PeerConnectionMonitor";
export type TransportDelayRttSource = 'rtcp' | 'ice';
export type TransportDelayIssuePayload = {
    peerConnectionId: string;
    rttInMs: number;
    rttSource: TransportDelayRttSource;
    sustainedForInMs: number;
    durationInMs?: number;
};
export type TransportDelayDetectorConfig = {
    thresholdInMs: number;
    recoveryThresholdInMs: number;
};
export declare class TransportDelayDetector implements Detector {
    readonly peerConnection: PeerConnectionMonitor;
    static readonly ISSUE_TYPE = "transport-delay-degraded";
    readonly name = "transport-delay-detector";
    disabled: boolean;
    includeIssueInSample: boolean;
    inputsUnavailable: boolean;
    private readonly issueKey;
    private _raised;
    private _startedAt?;
    constructor(peerConnection: PeerConnectionMonitor);
    private get config();
    update(): undefined;
    private _readRtt;
    private _raise;
    private _resolve;
}