export declare enum HMSTrackUpdate {
    TRACK_ADDED = "TRACK_ADDED",
    TRACK_REMOVED = "TRACK_REMOVED",
    TRACK_MUTED = "TRACK_MUTED",
    TRACK_UNMUTED = "TRACK_UNMUTED",
    TRACK_DESCRIPTION_CHANGED = "TRACK_DESCRIPTION_CHANGED",
    TRACK_DEGRADED = "TRACK_DEGRADED",
    TRACK_RESTORED = "TRACK_RESTORED"
}