import EventEmitter from 'events';
import Line from '../Line';
import CallSession from '../CallSession';
import type WebRTCClient from '../../web-rtc-client';
import { IEmitter } from '../../utils/Emitter';
import IndirectTransfer from '../IndirectTransfer';
export type PhoneEventCallbacks = {
    onCallIncoming?: (number: string) => void;
    onCallOutgoing?: (number: string) => void;
    onCallRinging?: () => void;
    onCallAccepted?: () => void;
    onCallHeld?: () => void;
    onCallResumed?: () => void;
    onCallMuted?: () => void;
    onCallUnmuted?: () => void;
    onCallEnded?: () => void;
    onCallFailed?: (message: string) => void;
    onMediaConnected?: (callSession: CallSession) => void;
};
type PhoneVoid = Promise<void> | void;
export type AvailablePhoneOptions = {
    accept: boolean;
    addParticipant: boolean;
    decline: boolean;
    hold: boolean;
    merge: boolean;
    mute: boolean;
    record: boolean;
    sendKey: boolean;
    transfer: boolean;
};
export interface Phone extends IEmitter {
    accept(callSession: CallSession, enableVideo?: boolean): Promise<string | null>;
    changeAudioDevice(id: string): Promise<void>;
    changeRingDevice(id: string): PhoneVoid;
    changeAudioVolume(volume: number): PhoneVoid;
    changeRingVolume(volume: number): PhoneVoid;
    changeAudioInputDevice(id: string): Promise<MediaStream | null | undefined> | null | undefined;
    changeVideoInputDevice(id: string): Promise<MediaStream | null | undefined | void> | null | undefined;
    onConnectionMade(): PhoneVoid;
    close(): Promise<PhoneVoid>;
    disableRinging(): PhoneVoid;
    enableRinging(): PhoneVoid;
    endCurrentCall(CallSession: CallSession): PhoneVoid;
    getLocalStreamForCall(callSession: CallSession): MediaStream | null | undefined;
    getLocalVideoStream(callSession: CallSession): MediaStream | null | undefined;
    getOptions(): AvailablePhoneOptions;
    getRemoteStreamForCall(callSession: CallSession): MediaStream | null | undefined;
    ignore(callSession: CallSession): PhoneVoid;
    hangup(callSession?: CallSession): Promise<boolean>;
    hasAnActiveCall(): boolean;
    hold(callSession: CallSession): Promise<any> | null | undefined;
    indirectTransfer(source: CallSession, destination: CallSession): Promise<boolean>;
    initiateCTIIndirectTransfer(callSession: CallSession, number: string): Promise<IndirectTransfer | null>;
    cancelCTIIndirectTransfer(transferId: string): PhoneVoid;
    confirmCTIIndirectTransfer(transferId: string): PhoneVoid;
    hasVideo(callSession: CallSession): boolean;
    hasAVideoTrack(callSession: CallSession): boolean;
    isWebRTC(): boolean;
    getUserAgent(): string;
    makeCall(number: string, line: Line, enableVideo?: boolean, audioOnly?: boolean): Promise<CallSession | null | undefined>;
    mute(callSession: CallSession): PhoneVoid;
    reject(callSession: CallSession): PhoneVoid;
    resume(callSession: CallSession): Promise<any> | null | undefined;
    sendKey(callSession: CallSession, tone: string): PhoneVoid;
    transfer(callSession: CallSession, target: string): PhoneVoid;
    turnCameraOff(callSession: CallSession): PhoneVoid;
    turnCameraOn(callSession: CallSession): PhoneVoid;
    unmute(callSession: CallSession): PhoneVoid;
    setActiveSipSession(callSession: CallSession): PhoneVoid;
    isRegistered(): boolean;
    hasIncomingCallSession(): boolean;
    setMediaConstraints(media: MediaStreamConstraints): PhoneVoid;
    getCurrentCallSession(): CallSession | null | undefined;
    getRemoteVideoStream(callSession: CallSession): MediaStream | null | undefined;
    hasLocalVideo(callSession: CallSession): boolean;
    eventEmitter: EventEmitter;
    client: WebRTCClient | null;
    register(): Promise<null | void>;
    onConnect(): Promise<void>;
}
export {};
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