llvm-project/clang-tools-extra/test/modularize/Inputs/HeaderGuard.h

#ifndef _HEADERGUARD_H_
#define _HEADERGUARD_H_
#include "HeaderGuardSub1.h"
#include "HeaderGuardSub2.h"
#include "HeaderGuardSubSub.h"
#endif // _HEADERGUARD_H_