public IReadOnlyCollection <(Privilege, bool)> GetRolesPrivileges()
{
IReadOnlyCollection <(Privilege, bool)> @value = null;
if (UserRoleMap != null)
{
@value = UserRoleMap.SelectMany(e => e.Role.RolePrivilegeMap).Select(e => (e.Privilege, e.IsAllowed)).Distinct().ToList();
}
return(@value);
}