import { TwinTransport, WebRTCManagerOptions, WebRTCEvent, WebRTCEventCallback, PhygridDataChannel, PhygridMediaStream, MediaStreamOptions, MediaStreamResponderOptions, DataChannelResponderOptions, MediaStreamCallback, DataChannelCallback } from './types';
type ResolvedWebRTCOptions = Required<Omit<WebRTCManagerOptions, 'iceServersProvider'>>;
export declare const DEFAULT_WEBRTC_OPTIONS: ResolvedWebRTCOptions;
export declare class WebRTCManager {
    private transport;
    private options;
    private iceServersProvider?;
    private dataChannelHandlers;
    private mediaStreamHandlers;
    private responderFanouts;
    private mediaResponderFanouts;
    private eventListeners;
    private isInitialized;
    private isClosed;
    constructor(transport: TwinTransport, options?: WebRTCManagerOptions);
    createDataChannel(targetTwinId: string, channelName?: string): Promise<PhygridDataChannel>;
    createMediaStream(targetTwinId: string, options?: MediaStreamOptions, channelName?: string): Promise<PhygridMediaStream>;
    acceptMediaStream(targetTwinId: string, options: MediaStreamResponderOptions, callback: MediaStreamCallback): Promise<() => void>;
    answerMediaOffer(targetTwinId: string, offerSdp: string, options: {
        viewerId: string;
        channelName?: string;
    }): Promise<string>;
    acceptDataChannel(targetTwinId: string, callback: DataChannelCallback, options?: DataChannelResponderOptions): Promise<() => void>;
    on<E extends WebRTCEvent>(event: E, callback: WebRTCEventCallback<E>): void;
    off<E extends WebRTCEvent>(event: E, callback: WebRTCEventCallback<E>): void;
    static isAvailable(): boolean;
    getActiveDataChannelCount(): number;
    getActiveMediaStreamCount(): number;
    close(): void;
    private ensureInitialized;
    private setupDataChannelHandlerCallbacks;
    private setupMediaStreamHandlerCallbacks;
    private emit;
}
export type { TwinTransport, WebRTCManagerOptions, IceServersProvider, IceServersResult, WebRTCEvent, PhygridDataChannel, PhygridMediaStream, MediaStreamOptions, } from './types';
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