Return a generic value

Speckle.InterfaceGenerator.Tests/SameName/SameNameClass.1.cs

@@ -18,5 +18,6 @@ public class SameNameClass2 : ISameNameClass2
 {
     public ISameNameClass Return() => throw new InvalidOperationException();
     public SymbolToken Return2() => throw new InvalidOperationException();
+    public T GetRequiredService<T>() where T : class  =>  throw new InvalidOperationException();
 
 }

Speckle.InterfaceGenerator/SymbolExtensions.cs

@@ -10,6 +10,10 @@ internal static class SymbolExtensions
     private static readonly HashSet<string> _defaults = new() { "System", "Microsoft" };
     public static string GetNamespaceAndType(this ITypeSymbol typeSymbol)
     {
+        if (typeSymbol is ITypeParameterSymbol t)
+        {
+            return t.Name;
+        }
         if (typeSymbol.SpecialType != SpecialType.None)
         {
             return typeSymbol.ToString();