xamarinmac 
namespace Iot.Device.Card.Mifare
{
    public class MifareCard
    {
        public byte[]? KeyB { get; set; }
    }
}
.NET
5.06.07.08.09.010.0
.NET Core
2.02.12.23.03.1
.NET Framework
4.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
2.02.1
Information specific to xamarinmac
Assembly

Iot.Device.Bindings , Version=3.2.0.0, PublicKeyToken=31bf3856ad364e35

Referencing

Your project needs a package reference to Iot.Device.Bindings.

Package Iot.Device.Bindings (3.2.0) netstandard2.0
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API