Add attribute to property in base class from derived class when base property already has attribute

I want the derived class's property to have both the added attribute and any that were in the base class:

public abstract class BaseClass
{
    [SomeAttribute]
    public virtual string SomeProperty { get; set; } = "";
}

public class DerivedClass : BaseClass
{
    [SomeOtherAttribute]
    public string SomeProperty { get; set; } = "";
}

public abstract class BaseClass
{
    [SomeAttribute]
    public virtual string SomeProperty { get; set; } = "";
}

public class DerivedClass : BaseClass
{
    [SomeOtherAttribute]
    public string SomeProperty { get; set; } = "";
}

public abstract class BaseClass
{
    [SomeAttribute]
    public virtual string SomeProperty { get; set; } = "";
}

public class DerivedClass : BaseClass
{
    [SomeOtherAttribute]
    public string SomeProperty { get; set; } = "";
}

public abstract class BaseClass
{
    [SomeAttribute]
    public virtual string SomeProperty { get; set; } = "";
}

public class DerivedClass : BaseClass
{
    [SomeOtherAttribute]
    public string SomeProperty { get; set; } = "";
}

DerivedClass -> SomeProperty

DerivedClass -> SomeProperty

DerivedClass -> SomeProperty

DerivedClass -> SomeProperty should have both the

SomeAttribute

SomeAttribute

SomeAttribute

SomeAttribute and

SomeOtherAttribute

SomeOtherAttribute

SomeOtherAttribute

SomeOtherAttribute attributes

Add attribute to property in base class from derived class when base property already has attribute

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