import { PeerConnectionMonitor } from "../monitors/PeerConnectionMonitor";
import { Detector } from "./Detector";
export type DtlsIceEvidence = 'transport-ice-state' | 'selected-pair-succeeded';
export type DtlsHandshakeStalledIssuePayload = {
    peerConnectionId: string;
    transportId: string;
    dtlsState?: string;
    iceState?: string;
    iceEvidence: DtlsIceEvidence;
    selectedCandidatePairId?: string;
    stalledForMs: number;
    durationInMs?: number;
};
export type DtlsHandshakeStalledDetectorConfig = {
    stalledThresholdInMs: number;
};
export declare class DtlsHandshakeStalledDetector implements Detector {
    readonly peerConnection: PeerConnectionMonitor;
    static readonly ISSUE_TYPE = "dtls-handshake-stalled";
    readonly name = "dtls-handshake-stalled-detector";
    disabled: boolean;
    includeIssueInSample: boolean;
    private readonly _states;
    constructor(peerConnection: PeerConnectionMonitor);
    private get config();
    update(): void;
    private _checkTransport;
    private _iceHealthEvidence;
    private _usernameFragmentOf;
    private _getState;
    private _resolve;
    private _issueKey;
}