Fixed generated code when a class extends multiple classes (#38)

* .

* .

* pnp

* ok

* compiles

* ?

* e

* set

* .ToArray()

* n

* ...

* ok

* pnp

* .

* .

* mapster

src-examples/ProxyInterfaceConsumer/Program.cs

@@ -1,10 +1,7 @@
-using AutoMapper;
-using DifferentNamespace;
 using System;
 using System.Collections.Generic;
 using System.Text.Json;
-using Microsoft.SharePoint.Client;
-using ProxyInterfaceConsumer.PnP;
+using DifferentNamespace;
 
 namespace ProxyInterfaceConsumer
 {
@@ -17,11 +14,6 @@ namespace ProxyInterfaceConsumer
 
         public static void Main()
         {
-            var cp = new ClientContextProxy(new ClientContext("x"));
-            cp.ExecuteQuery();
-            var webP = cp.Web;
-
-
             var t = new TestProxy(new Test());
 
             IPersonT<int> pT = new PersonTProxy<int>(new PersonT<int>());