public PackageManager( IExtensionManager extensionManager, IPackageBuilder packageBuilder, IPackageInstaller packageInstaller, IShellStateManager shellStateManager, IFeatureManager featureManager, IPackageUninstallHandler packageUninstallHandler) { _extensionManager = extensionManager; _packageBuilder = packageBuilder; _packageInstaller = packageInstaller; _shellStateManager = shellStateManager; _featureManager = featureManager; _packageUninstallHandler = packageUninstallHandler; T = NullLocalizer.Instance; }