Helper classes to provide client-aspect usage and server-aspect usage of the API.

ClientCredential.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NSspi
+{
+    class ClientCredential
+    {
+    }
+}

ServerCredential.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NSspi
+{
+    public class ServerCredential : Credential
+    {
+        public ServerCredential( SecurityPackage package ) : base( package, CredentialType.Server ) { }
+    }
+}