import { AudioTrack } from "./audiotrack";
import { TrackSourceType } from "../../types";
export declare class AudioMixingTrack extends AudioTrack {
    inputList: {
        track: AudioTrack;
    }[];
    private destination;
    readonly sourceType: TrackSourceType;
    constructor(userId?: string);
    appendAudioSource(track: AudioTrack): void;
    removeAudioSource(track: AudioTrack): void;
    release(): void;
}