src/java.base/share/classes/java/lang/System.java

@@ -1639,10 +1639,22 @@
       */
      public static void exit(int status) {
          Runtime.getRuntime().exit(status);
      }
  
+     /**
+      * Returns whether the AOT system is recording training data.
+      *
+      * @return  whether the AOT system is recording training data.
+      */
+     public static native boolean AOTIsTraining();
+ 
+     /**
+      * Will stop the recording of AOT training data.
+      */
+     public static native void AOTEndTraining();
+ 
      /**
       * Runs the garbage collector in the Java Virtual Machine.
       * <p>
       * Calling the {@code gc} method suggests that the Java Virtual Machine
       * expend effort toward recycling unused objects in order to