import { EnhancedEventEmitter } from '../EnhancedEventEmitter';
import { ProducerCodecOptions } from '../Producer';
import { IceParameters, IceCandidate, DtlsParameters, ConnectionState } from '../Transport';
import { RtpCapabilities, RtpCodecCapability, RtpParameters, RtpEncodingParameters } from '../RtpParameters';
import { SctpCapabilities, SctpParameters, SctpStreamParameters } from '../SctpParameters';
export type HandlerFactory = () => HandlerInterface;
export type HandlerRunOptions = {
    direction: 'send' | 'recv';
    iceParameters: IceParameters;
    iceCandidates: IceCandidate[];
    dtlsParameters: DtlsParameters;
    sctpParameters?: SctpParameters;
    iceServers?: RTCIceServer[];
    iceTransportPolicy?: RTCIceTransportPolicy;
    additionalSettings?: any;
    proprietaryConstraints?: any;
    extendedRtpCapabilities: any;
};
export type HandlerSendOptions = {
    track: MediaStreamTrack;
    encodings?: RtpEncodingParameters[];
    codecOptions?: ProducerCodecOptions;
    codec?: RtpCodecCapability;
};
export type HandlerSendResult = {
    localId: string;
    rtpParameters: RtpParameters;
    rtpSender?: RTCRtpSender;
};
export type HandlerReceiveOptions = {
    trackId: string;
    kind: 'audio' | 'video';
    rtpParameters: RtpParameters;
    /**
     * Stream id. WebRTC based devices try to synchronize inbound streams with
     * same streamId. If not given, the consuming device will be told to
     * synchronize all streams produced by the same endpoint. However libwebrtc
     * can just synchronize up to one audio stream with one video stream.
     */
    streamId?: string;
};
export type HandlerReceiveResult = {
    localId: string;
    track: MediaStreamTrack;
    rtpReceiver?: RTCRtpReceiver;
};
export type HandlerSendDataChannelOptions = SctpStreamParameters;
export type HandlerSendDataChannelResult = {
    dataChannel: RTCDataChannel;
    sctpStreamParameters: SctpStreamParameters;
};
export type HandlerReceiveDataChannelOptions = {
    sctpStreamParameters: SctpStreamParameters;
    label?: string;
    protocol?: string;
};
export type HandlerReceiveDataChannelResult = {
    dataChannel: RTCDataChannel;
};
export type HandlerEvents = {
    '@close': [];
    '@connect': [
        {
            dtlsParameters: DtlsParameters;
        },
        () => void,
        (error: Error) => void
    ];
    '@connectionstatechange': [ConnectionState];
};
export declare abstract class HandlerInterface extends EnhancedEventEmitter<HandlerEvents> {
    constructor();
    abstract get name(): string;
    abstract close(): void;
    abstract getNativeRtpCapabilities(): Promise<RtpCapabilities>;
    abstract getNativeSctpCapabilities(): Promise<SctpCapabilities>;
    abstract run(options: HandlerRunOptions): void;
    abstract updateIceServers(iceServers: RTCIceServer[]): Promise<void>;
    abstract restartIce(iceParameters: IceParameters): Promise<void>;
    abstract getTransportStats(): Promise<RTCStatsReport>;
    abstract send(options: HandlerSendOptions): Promise<HandlerSendResult>;
    abstract stopSending(localId: string): Promise<void>;
    abstract pauseSending(localId: string): Promise<void>;
    abstract resumeSending(localId: string): Promise<void>;
    abstract replaceTrack(localId: string, track: MediaStreamTrack | null): Promise<void>;
    abstract setMaxSpatialLayer(localId: string, spatialLayer: number): Promise<void>;
    abstract setRtpEncodingParameters(localId: string, params: any): Promise<void>;
    abstract getSenderStats(localId: string): Promise<RTCStatsReport>;
    abstract sendDataChannel(options: HandlerSendDataChannelOptions): Promise<HandlerSendDataChannelResult>;
    abstract receive(optionsList: HandlerReceiveOptions[]): Promise<HandlerReceiveResult[]>;
    abstract stopReceiving(localIds: string[]): Promise<void>;
    abstract pauseReceiving(localIds: string[]): Promise<void>;
    abstract resumeReceiving(localIds: string[]): Promise<void>;
    abstract getReceiverStats(localId: string): Promise<RTCStatsReport>;
    abstract receiveDataChannel(options: HandlerReceiveDataChannelOptions): Promise<HandlerReceiveDataChannelResult>;
}
//# sourceMappingURL=HandlerInterface.d.ts.map