private static void TryToAccessToTheSharedFolder(string username, string password, Role role)
        {
            Console.WriteLine(
                $"\nEmployee with username: {username} and role {role} " +
                $"is trying to access to the shared folder...");

            var employee     = new Employee(username, password, role);
            var sharedFolder = new SharedFolder();
            var folderProxy  = new SharedFolderProxy(employee, sharedFolder);

            folderProxy.Access();
        }
 public SharedFolderProxy(Employee employee, SharedFolder sharedFolder)
 {
     _employee     = employee;
     _sharedFolder = sharedFolder;
 }