export default class EngineEventHandler {
    static instance: EngineEventHandler;
    private _callService;
    constructor(options: any);
    static getInstance(options: any): EngineEventHandler;
    addListenTuiCallEngineEvent(): void;
    removeListenTuiCallEngineEvent(): void;
    private _callerChangeToConnected;
    private _unNormalEventsManager;
    private _handleError;
    private _handleNewInvitationReceived;
    private _handleUserAccept;
    private _handleUserEnter;
    private _handleUserLeave;
    private _handleInviteeReject;
    private _handleNoResponse;
    private _handleLineBusy;
    private _handleCallNotConnected;
    private _handleOnUserInviting;
    private _handleCallingEnd;
    private _handleSDKReady;
    private _handleKickedOut;
    private _messageSentByMe;
    private _handleCallMessage;
    private _handleCallTypeChange;
    private _handleNetworkQuality;
    private _startRemoteView;
    private _setRemoteUserInfoAudioVideoAvailable;
    private _handleUserVideoAvailable;
    private _handleUserAudioAvailable;
    private _handleUserVoiceVolume;
    private _handleDeviceUpdate;
    private _handleUserUpdate;
    private _addUserToRemoteUserInfoList;
}