--- a/src/hotspot/share/jfr/recorder/repository/jfrChunkWriter.hpp	Fri Aug 23 18:47:55 2019 +0200
+++ b/src/hotspot/share/jfr/recorder/repository/jfrChunkWriter.hpp	Sat Aug 24 14:30:27 2019 +0200
@@ -46,6 +46,7 @@
   bool open();
   int64_t close();
   int64_t current_chunk_start_nanos() const;
+  int64_t write_chunk_header_checkpoint(bool flushpoint);
 
  public:
   JfrChunkWriter();