import AudioVideoControllerState from '../audiovideocontroller/AudioVideoControllerState';
import AudioVideoObserver from '../audiovideoobserver/AudioVideoObserver';
import ClientMetricReport from '../clientmetricreport/ClientMetricReport';
import ConnectionHealthData from '../connectionhealthpolicy/ConnectionHealthData';
import ConnectionHealthPolicyConfiguration from '../connectionhealthpolicy/ConnectionHealthPolicyConfiguration';
import RemovableObserver from '../removableobserver/RemovableObserver';
import SignalingClientEvent from '../signalingclient/SignalingClientEvent';
import SignalingClientObserver from '../signalingclientobserver/SignalingClientObserver';
import VideoTileState from '../videotile/VideoTileState';
import BaseTask from './BaseTask';
export default class MonitorTask extends BaseTask implements AudioVideoObserver, RemovableObserver, SignalingClientObserver {
    private context;
    private initialConnectionHealthData;
    protected taskName: string;
    private reconnectionHealthPolicy;
    private unusableAudioWarningHealthPolicy;
    private sendingAudioFailureHealthPolicy;
    private prevSignalStrength;
    private currentAvailableStreamAvgBitrates;
    private hasSignalingError;
    private presenceHandlerCalled;
    private isResubscribeCheckPaused;
    private pendingMetricsReport;
    private videoEncodingHealthPolicies;
    constructor(context: AudioVideoControllerState, connectionHealthPolicyConfiguration: ConnectionHealthPolicyConfiguration, initialConnectionHealthData: ConnectionHealthData);
    removeObserver(): void;
    run(): Promise<void>;
    pauseResubscribeCheck(): void;
    resumeResubscribeCheck(): void;
    videoTileDidUpdate(_tileState: VideoTileState): void;
    private checkResubscribe;
    metricsDidReceive(clientMetricReport: ClientMetricReport): void;
    connectionHealthDidChange(connectionHealthData: ConnectionHealthData): void;
    private applyHealthPolicy;
    private handleBitrateFrame;
    handleSignalingClientEvent(event: SignalingClientEvent): void;
    private isUnexpectedsignalingCloseCode;
    private isInternalServerFailureCloseCode;
    private checkAndSendWeakSignalEvent;
    private realtimeFatalErrorCallback;
    private realtimeAttendeeIdPresenceHandler;
    /**
     * Degrade video Encoding to an alternative scalability mode or codec
     */
    private degradeVideoEncoding;
}