extension Int {
    /// A namespace for the cache's default configuration values.
    public enum Cache {
        /// The default max-age, in seconds, applied to fingerprinted assets and fonts (1 year).
        public static let maxAgeAsset = 31_536_000
        /// The default max-age, in seconds, applied to unversioned 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
    }
    /// A namespace for the response compression's default configuration values.
    public enum Compression {
        /// The default minimum response body size, in bytes, before compression is applied (1 KB).
        public static let minResponseSize = 1_024
    }
    /// A namespace for the persistence's default configuration values.
    public enum Database {
        /// The default MySQL/MariaDB port.
        public static let port = 3_306
        /// The default maximum pooled connections per event loop.
        public static let poolMaxPerEventLoop = 4
    }
}