extension Int {
    /// A namespace for the cache's default configuration values.
    public enum Cache {
        /// The default max-age, in seconds, applied to text-based static files (1 hour).
        public static let maxAgeText = 3_600
        /// The default max-age, in seconds, applied to image static files (1 week).
        public static let maxAgeImage = 604_800
        /// The default max-age, in seconds, applied to all other static files (1 day).
        public static let maxAgeDefault = 86_400
    }
}