import Subject from '../../rx/Subject';
import { IStreamTrackTransform } from '../transformation/StreamTrackTransform';
import { IEncodedStreamSink } from '../transformation/EncodedStreamSink';
export type StreamTransformContextOptions = {
    hasInsertableStreams: boolean;
    hasEncodedInsertableStreams: boolean;
    videoStreamTransformCallback: IStreamTrackTransform<VideoFrame> | undefined;
    audioStreamTransformCallback: IStreamTrackTransform<AudioData> | undefined;
    encodedVideoStreamSink: IEncodedStreamSink<RTCEncodedVideoFrame> | undefined;
    encodedAudioStreamSink: IEncodedStreamSink<RTCEncodedAudioFrame> | undefined;
};
export default class StreamTransformContext {
    readonly hasInsertableStreams: Subject<boolean>;
    readonly hasEncodedInsertableStreams: Subject<boolean>;
    readonly videoStreamTransformCallback: IStreamTrackTransform<VideoFrame> | undefined;
    readonly audioStreamTransformCallback: IStreamTrackTransform<AudioData> | undefined;
    readonly encodedVideoStreamSink: IEncodedStreamSink<RTCEncodedVideoFrame> | undefined;
    readonly encodedAudioStreamSink: IEncodedStreamSink<RTCEncodedAudioFrame> | undefined;
    constructor(options: StreamTransformContextOptions);
}