<PackageReference Include="System.Security.Permissions" Version="9.0.5" />

ApplicationIdentity

public sealed class ApplicationIdentity : ISerializable
Provides the ability to uniquely identify a manifest-activated application. This class cannot be inherited.
using System.Runtime.Serialization; namespace System { public sealed class ApplicationIdentity : ISerializable { public string FullName => null; public string CodeBase => null; private ApplicationIdentity() { } public ApplicationIdentity(string applicationIdentityFullName) { } public override string ToString() { return null; } void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { throw new PlatformNotSupportedException(); } } }