test/API/lang/cpp/namespace_definitions/foo.h - llvm-project/lldb - Git at Google

 class ThingInside;

 namespace Foo {
   class MyClass {
   ThingInside *thing;
   public:
     MyClass() { }
   };
 }
	class ThingInside;

	namespace Foo {
	class MyClass {
	ThingInside *thing;
	public:
	MyClass() { }
	};
	}