Fixed a couple of places where privates that need to be generated were being filtered.

src/Generator/AST/Utils.cs

@@ -36,7 +36,7 @@ namespace CppSharp.AST
             if (method.OperatorKind == CXXOperatorKind.Equal)
                 return true;
 
-            if (method.Access == AccessSpecifier.Private && !method.IsOverride)
+            if (method.Access == AccessSpecifier.Private && !method.IsOverride && !method.IsExplicitlyGenerated)
                 return true;
 
             //Ignore copy constructor if a base class don't has or has a private copy constructor

src/Generator/Passes/CheckIgnoredDecls.cs

@@ -23,7 +23,7 @@ namespace CppSharp.Passes
             case AccessSpecifier.Private:
                 var method = decl as Method;
                 var isOverride = method != null && method.IsOverride;
-                return generateNonPublicDecls && isOverride;
+                return generateNonPublicDecls && (isOverride || decl.IsExplicitlyGenerated);
             }
 
             return true;