<PackageReference Include="System.ServiceModel.Primitives" Version="8.1.1" />

System.ServiceModel.ServiceSecurityContext

public class ServiceSecurityContext
public static ServiceSecurityContext Anonymous { get; }

public bool IsAnonymous { get; }

public IIdentity PrimaryIdentity { get; }

public ServiceSecurityContext(AuthorizationContext authorizationContext)

public ServiceSecurityContext(AuthorizationContext authorizationContext, ReadOnlyCollection<IAuthorizationPolicy> authorizationPolicies)