Imported Upstream version 6.6.0.89

Former-commit-id: b39a328747c2f3414dc52e009fb6f0aa80ca2492

external/api-doc-tools/mdoc/Test/TestInterfaceImplementation/Class4.cs

@@ -0,0 +1,20 @@
+namespace TestInterfaceImplementation
+{
+    public class Class4 : Interface5
+    {
+        public int Method()
+        {
+            throw new System.NotImplementedException();
+        }
+
+        public int Method2()
+        {
+            throw new System.NotImplementedException();
+        }
+
+        public int Method3()
+        {
+            throw new System.NotImplementedException();
+        }
+    }
+}