public PermissionValidator(IProjectRoleManager projectRoleManager, ISystemRoleManager systemRoleManager, IUserIdentity userIdentity)
		{
			_projectRoleManager = DIHelper.VerifyParameter(projectRoleManager);
            _systemRoleManager = DIHelper.VerifyParameter(systemRoleManager);
			_userIdentity = DIHelper.VerifyParameter(userIdentity);
		}
		public ProjectRoleService(IProjectRoleManager projectRoleManager)
		{
			_projectRoleManager = DIHelper.VerifyParameter(projectRoleManager);
		}