void SomeFunction();
extern int someVar;
#define SOME_DEFUN 123

class someClass {
  void somePrivateMethod();
public:
  void somePublicMethod(int foo);
};

extern "C" void ExternFunction();

namespace foo {
  void NamespacedFunction();
}


struct StructWithAllowlistedFwdDecl;

struct StructWithAllowlistedDefinition {
    StructWithAllowlistedFwdDecl* other;
};