RootLibrary "Users" : L0.Library L0.Role L0.RoleAssignment L0.User L0.Model L0.Session L0.RoleSelection L0.Group L0.ConsistsOf L0.ConsistsOf L0.HasSession L0.Role.Inherits L0.RoleAssignment.HasUser L0.IsLinkedTo L0.RoleAssignment.HasRole L0.IsLinkedTo L0.RoleSelection.HasModel L0.RoleSelection.HasRole L0.Group.HasUser