Avalonia/src/Shared/CallerArgumentExpressionAttribute.cs

namespace System.Runtime.CompilerServices;

#if !NET6_0_OR_GREATER
    [AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false, Inherited = false)]
    internal sealed class CallerArgumentExpressionAttribute(string parameterName) : Attribute
    {
        public string ParameterName { get; } = parameterName;
    }
#endif