UnscopedRefAttribute
Used to indicate a byref escapes and is not scoped.
namespace System.Diagnostics.CodeAnalysis
{
[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Parameter, AllowMultiple = false, Inherited = false)]
[ExcludeFromCodeCoverage]
internal sealed class UnscopedRefAttribute : Attribute
{
}
}