import { HMSPeer, HMSPublishAllowed, HMSRole, HMSScreenAudioTrack, HMSScreenVideoTrack, HMSStore, HMSTrack, HMSTrackID, HMSVideoTrack } from '../schema';
export declare function getScreenSharesByPeer(tracks: Record<HMSTrackID, HMSTrack>, peer?: HMSPeer | null): {
    video: HMSScreenVideoTrack;
    audio: HMSScreenAudioTrack;
};
export declare function isAudio(track: HMSTrack | undefined): boolean | undefined;
export declare function isVideo(track: HMSTrack | undefined): boolean | undefined;
export declare function isScreenShare(track: HMSTrack | undefined): boolean | undefined;
export declare function isAudioPlaylist(track: HMSTrack | undefined): boolean | undefined;
export declare function isVideoPlaylist(track: HMSTrack | undefined): boolean | undefined;
export declare function isDegraded(track: HMSVideoTrack): boolean;
export declare function isTrackEnabled(store: HMSStore, trackID?: string): boolean;
/**
 * Should UI show the video track as enabled
 */
export declare function isTrackDisplayEnabled(store: HMSStore, trackID?: string): boolean | undefined;
export declare function isRoleAllowedToPublish(role?: HMSRole | null): HMSPublishAllowed;