--- old/src/hotspot/share/runtime/objectMonitor.hpp	2020-05-14 16:17:04.000000000 -0400
+++ new/src/hotspot/share/runtime/objectMonitor.hpp	2020-05-14 16:17:03.000000000 -0400
@@ -288,6 +288,7 @@
   jint      waiters() const;
 
   jint      contentions() const;
+  void      add_to_contentions(jint value);
   intx      recursions() const                                         { return _recursions; }
 
   // JVM/TI GetObjectMonitorUsage() needs this:
@@ -339,7 +340,7 @@
   // returns false and throws IllegalMonitorStateException (IMSE).
   bool      check_owner(Thread* THREAD);
   void      clear();
-  void      clear_using_JT();
+  void      clear_common();
 
   bool      enter(TRAPS);
   void      exit(bool not_suspended, TRAPS);