public NotificationRepository(SaphirCloudBoxDataContext context) : base(context)
 {
 }
 public ClientRepository(SaphirCloudBoxDataContext context)
     : base(context)
 {
 }
 public UserGroupRepository(SaphirCloudBoxDataContext context) : base(context)
 {
 }
 public FileStorageHierarchyRepository(SaphirCloudBoxDataContext context, SaphirUserManager userManager, RoleManager <Role> roleManager) : base(context)
 {
     _userManager = userManager ?? throw new ArgumentNullException(nameof(userManager));
     _roleManager = roleManager ?? throw new ArgumentNullException(nameof(roleManager));
 }
 public DepartmentRepository(SaphirCloudBoxDataContext context) : base(context)
 {
 }