Imported Upstream version 6.6.0.89

Former-commit-id: b39a328747c2f3414dc52e009fb6f0aa80ca2492

external/api-doc-tools/mdoc/Test/TestInterfaceImplementation/Class1.cs

@@ -0,0 +1,37 @@
+using System;
+
+namespace TestInterfaceImplementation
+{
+    public class Class1 : Interface1
+    {
+        public void Method1()
+        {
+        }
+
+        Interface1 Interface1.Method2()
+        {
+            throw new NotImplementedException();
+        }
+
+        public int Property1 { get; }
+        int Interface1.Property2 { get; set; }
+
+        public event EventHandler Event1;
+        event EventHandler<EventArgs> Interface1.Event2
+        {
+            add { throw new NotImplementedException(); }
+            remove { throw new NotImplementedException(); }
+        }
+
+        public int this[int index]
+        {
+            get { throw new NotImplementedException(); }
+        }
+
+        int Interface1.this[float index]
+        {
+            get { throw new NotImplementedException(); }
+            set { throw new NotImplementedException(); }
+        }
+    }
+}