FluentValidation:验证是否仅设置了一个属性

public class MyModelValidator : AbstractValidator<MyModel>
{
    public MyModelValidator()
    {
        RuleFor(x => x.Property1).NotEmpty().WithMessage("Property1不能为空");
        RuleFor(x => x.Property2).Empty().WithMessage("Property2必须为空");
        RuleFor(x => x.Property3).Empty().WithMessage("Property3必须为空");
        RuleFor(x => x.Property4).Empty().WithMessage("Property4必须为空");
        RuleFor(x => x.Property5).Empty().WithMessage("Property5必须为空");
        RuleFor(x => x.Property6).Empty().WithMessage("Property6必须为空");
        RuleFor(x => x.Property7).Empty().WithMessage("Property7必须为空");
        RuleFor(x => x.Property8).Empty().WithMessage("Property8必须为空");
        RuleFor(x => x.Property9).Empty().WithMessage("Property9必须为空");
        RuleFor(x => x.Property10).Empty().WithMessage("Property10必须为空");
    }
}

public class MyModel
{
    public string Property1 { get; set; }
    public string Property2 { get; set; }
    public string Property3 { get; set; }
    public string Property4 { get; set; }
    public string Property5 { get; set; }
    public string Property6 { get; set; }
    public string Property7 { get; set; }
    public string Property8 { get; set; }
    public string Property9 { get; set; }
    public string Property10 { get; set; }
}