import Foundation public enum StorageServiceIdentifiers { public static var bundleIdentifier: String { Bundle.main.bundleIdentifier ?? "com.example.securestorage" } public static var appGroupIdentifier: String { "group.\(bundleIdentifier)" } public static var keychainCredentials: String { bundleIdentifier } public static var keychainAPIToken: String { "\(bundleIdentifier).api" } public static var keychainExternalKeyMaterial: String { "\(bundleIdentifier).externalkey" } public static var keychainLocation: String { "\(bundleIdentifier).security" } }