1 files changed, 5 insertions, 1 deletions
diff --git a/clang-tools-extra/clang-tidy/utils/HeaderFileExtensionsUtils.h b/clang-tools-extra/clang-tidy/utils/HeaderFileExtensionsUtils.h
index 70bdc812091..e0457a8b068 100644
--- a/clang-tools-extra/clang-tidy/utils/HeaderFileExtensionsUtils.h
+++ b/clang-tools-extra/clang-tidy/utils/HeaderFileExtensionsUtils.h
@@ -12,8 +12,8 @@
 
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Basic/SourceManager.h"
-#include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/SmallSet.h"
+#include "llvm/ADT/StringRef.h"
 
 namespace clang {
 namespace tidy {
@@ -41,6 +41,10 @@ bool parseHeaderFileExtensions(StringRef AllHeaderFileExtensions,
                                HeaderFileExtensionsSet &HeaderFileExtensions,
                                char delimiter);
 
+/// \brief Decides whether a file has a header file extension.
+bool isHeaderFileExtension(StringRef FileName,
+                           HeaderFileExtensionsSet HeaderFileExtensions);
+
 } // namespace utils
 } // namespace tidy
 } // namespace clang