GroupCacheDuration = 4 * DefaultCacheDuration // They don't change that often.
FileCacheDuration = 8 * DefaultCacheDuration // These change even less often.
+ UIDCacheDuration = 16 * DefaultCacheDuration // Can these even be changed?
+
// Used for anime that have already finished airing.
// It's unlikely that they get any important updates.
FinishedAnimeCacheDuration = 4 * AnimeCacheDuration