xamarinmac 
namespace System.Security
{
    public class HostSecurityManager
    {
        public virtual Type[] GetHostSuppliedAppDomainEvidenceTypes();
    }
}
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.NET
5.06.07.08.09.010.0
.NET Core
2.02.12.23.03.1
.NET Framework
4.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
2.02.1
Information specific to xamarinmac
Assemblies

System.Security.Permissions , Version=10.0.0.0, PublicKeyToken=cc7b13ffcd2ddd51

System.Security.Permissions , Version=9.0.0.0, PublicKeyToken=cc7b13ffcd2ddd51

Referencing

Your project needs a package reference to System.Security.Permissions.

Package System.Security.Permissions (10.0.0-preview.1.25080.5) netstandard2.0
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API