import Call from './call';
import CallError from "./callError";
declare type voiceStatus = "READY" | "OFFLINE" | "BUSY";
declare type callEventHandler = (call: Call) => void;
declare type callEventWithErrorHandler = (call: Call, err?: CallError) => void;
declare type removeHandlerFn = () => void;
declare class TwilioVoice {
    private _currentCall;
    private _nativeAppEventEmitter;
    private _internalEventHandlers;
    private _eventHandlers;
    private _isSetup;
    private _nativeVersion;
    constructor();
    readonly version: string;
    readonly nativeVersion: string | undefined;
    readonly status: voiceStatus;
    connect: (accessToken: string, params?: {}) => Promise<Call>;
    destroy: () => void;
    on(event: "connect", handler: callEventHandler): removeHandlerFn;
    on(event: "reconnect", handler: callEventHandler): removeHandlerFn;
    on(event: "ringing", handler: callEventHandler): removeHandlerFn;
    on(event: "connectFailure", handler: callEventWithErrorHandler): removeHandlerFn;
    on(event: "reconnecting", handler: callEventWithErrorHandler): removeHandlerFn;
    on(event: "disconnect", handler: callEventWithErrorHandler): removeHandlerFn;
    private removeListener;
    private getNativeVersion;
    private setup;
    private addInternalCallEventHandlers;
    private removeInternalCallEventHandlers;
    private handleEvent;
    private createOrUpdateCall;
    private createCallError;
    private parseNativeCallObject;
    private onConnect;
    private onDisconnect;
    private onConnectFailure;
    private onReconnect;
    private onReconnecting;
    private onRinging;
    private disconnectAll;
}
declare const _default: TwilioVoice;
export default _default;