import { Behaviour } from "./Component.js";
export declare const noVoip = "noVoip";
/**
 * The Voice over IP component (VoIP) allows you to send and receive audio streams to other users in the same networked room.
 * It requires a networking connection to be working (e.g. by having an active SyncedRoom component in the scene or by connecting to a room manually).
 * @category Networking
 * @group Components
 */
export declare class Voip extends Behaviour {
    /** When enabled, VoIP will start when a room is joined or when this component is enabled while already in a room.
     * @default true
    */
    autoConnect: boolean;
    /**
     * When enabled, VoIP will stay connected even when the browser tab is not focused/active anymore.
     * @default true
     */
    runInBackground: boolean;
    /**
     * When enabled, a menu button will be created to allow the user to toggle VoIP on and off.
     */
    createMenuButton: boolean;
    /**
     * When enabled debug messages will be printed to the console. This is useful for debugging audio issues. You can also append ?debugvoip to the URL to enable this.
     */
    debug: boolean;
    private _net?;
    private _menubutton?;
    /** @internal */
    awake(): void;
    /** @internal */
    onEnable(): void;
    /** @internal */
    onDisable(): void;
    /** @internal */
    onDestroy(): void;
    /** Set via the mic button (e.g. when the websocket connection closes and rejoins but the user was muted before we don't want to enable VOIP again automatically) */
    private _allowSending;
    private _outputStream;
    /**
     * @returns true if the component is currently sending audio
     */
    get isSending(): boolean;
    /** Start sending audio. */
    connect(audioSource?: MediaTrackConstraints): Promise<boolean>;
    /** Stop sending audio (muting your own microphone) */
    disconnect(opts?: {
        remember: boolean;
    }): void;
    /**
     * Mute or unmute the audio stream (this will only mute incoming streams and not mute your own microphone. Use disconnect() to mute your own microphone)
     */
    setMuted(mute: boolean): void;
    /** Returns true if the audio stream is currently muted */
    get isMuted(): boolean;
    private updateButton;
    /** @deprecated */
    getFrequency(_userId: string | null): number | null;
    private getAudioStream;
    private onJoinedRoom;
    private onLeftRoom;
    private _incomingStreams;
    private onReceiveStream;
    private onStreamEnded;
    private onEnabledChanged;
    private onVisibilityChanged;
}