diff -r 2c3cc4b01880 -r c16ac7a2eba4 src/hotspot/share/jfr/jfr.hpp
--- a/src/hotspot/share/jfr/jfr.hpp	Wed Oct 30 16:14:56 2019 +0100
+++ b/src/hotspot/share/jfr/jfr.hpp	Wed Oct 30 19:43:52 2019 +0100
@@ -53,6 +53,9 @@
   static bool on_flight_recorder_option(const JavaVMOption** option, char* delimiter);
   static bool on_start_flight_recording_option(const JavaVMOption** option, char* delimiter);
   static void weak_oops_do(BoolObjectClosure* is_alive, OopClosure* f);
+  static void exclude_thread(Thread* thread);
+  static bool is_excluded(Thread* thread);
+  static void include_thread(Thread* thread);
 };
 
 #endif // SHARE_JFR_JFR_HPP