src/jdk.management/share/classes/com/sun/management/HotSpotDiagnosticMXBean.java

*** 1,7 ***
  /*
!  * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ---
  /*
!  * Copyright (c) 2005, 2023, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this

*** 25,11 ***
  
  package com.sun.management;
  
  import java.io.IOException;
  import java.lang.management.PlatformManagedObject;
- import jdk.internal.javac.PreviewFeature;
  
  /**
   * Diagnostic management interface for the HotSpot Virtual Machine.
   *
   * <p>The diagnostic MBean is registered to the platform MBeanServer
--- 25,10 ---

*** 145,22 ***
       *         if a security manager is set and its {@link
       *         SecurityManager#checkWrite(java.lang.String)} method denies write
       *         access to the file or {@link java.lang.management.ManagementPermission
       *         ManagementPermission("control")} is denied
       * @throws UnsupportedOperationException if this operation is not supported
!      * @since 19
       */
-     @PreviewFeature(feature = PreviewFeature.Feature.VIRTUAL_THREADS, reflective = true)
      default void dumpThreads(String outputFile, ThreadDumpFormat format) throws IOException {
          throw new UnsupportedOperationException();
      }
  
      /**
       * Thread dump format.
!      * @since 19
       */
-     @PreviewFeature(feature = PreviewFeature.Feature.VIRTUAL_THREADS, reflective = true)
      public static enum ThreadDumpFormat {
          /**
           * Plain text format.
           */
          TEXT_PLAIN,
--- 144,20 ---
       *         if a security manager is set and its {@link
       *         SecurityManager#checkWrite(java.lang.String)} method denies write
       *         access to the file or {@link java.lang.management.ManagementPermission
       *         ManagementPermission("control")} is denied
       * @throws UnsupportedOperationException if this operation is not supported
!      * @since 21
       */
      default void dumpThreads(String outputFile, ThreadDumpFormat format) throws IOException {
          throw new UnsupportedOperationException();
      }
  
      /**
       * Thread dump format.
!      * @since 21
       */
      public static enum ThreadDumpFormat {
          /**
           * Plain text format.
           */
          TEXT_PLAIN,