Only generate setters and getters for public properties (#47)

* Only generate setters and getters for public properties

* .

tests/ProxyInterfaceSourceGeneratorTests/Destination/ProxyInterfaceSourceGeneratorTests.Source.IMixedVisibility.g.cs

@@ -0,0 +1,28 @@
+//----------------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by https://github.com/StefH/ProxyInterfaceSourceGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//----------------------------------------------------------------------------------------
+
+#nullable enable
+using System;
+
+namespace ProxyInterfaceSourceGeneratorTests.Source
+{
+    public partial interface IMixedVisibility
+    {
+        ProxyInterfaceSourceGeneratorTests.Source.MixedVisibility _Instance { get; }
+
+        string Foo { get; }
+
+
+
+
+
+
+    }
+}
+#nullable disable

tests/ProxyInterfaceSourceGeneratorTests/Destination/ProxyInterfaceSourceGeneratorTests.Source.MixedVisibilityProxy.g.cs

@@ -0,0 +1,37 @@
+//----------------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by https://github.com/StefH/ProxyInterfaceSourceGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//----------------------------------------------------------------------------------------
+
+#nullable enable
+using System;
+
+namespace ProxyInterfaceSourceGeneratorTests.Source
+{
+    public partial class MixedVisibilityProxy : IMixedVisibility
+    {
+        public ProxyInterfaceSourceGeneratorTests.Source.MixedVisibility _Instance { get; }
+        
+
+        public string Foo { get => _Instance.Foo; }
+
+
+
+
+
+
+
+        public MixedVisibilityProxy(ProxyInterfaceSourceGeneratorTests.Source.MixedVisibility instance)
+        {
+            _Instance = instance;
+            
+
+
+        }
+    }
+}
+#nullable disable