class SubscriptionPlan PlanType type; double price; int maxDevices; boolean includesAds;
class WatchHistory String userId; String videoId; int lastTimestampSeconds; LocalDateTime lastWatchedAt; lld nuefliks
class Movie extends Video String director; int releaseYear; class SubscriptionPlan PlanType type
class Episode extends Video int seasonNo; int episodeNo; String seriesId; class WatchHistory String userId
abstract class Video String videoId; String title; int durationSeconds; String url; boolean isFree;