}
  }

  /**
   * Returns a sun.misc.Unsafe. Suitable for use in a 3rd party package. Replace with a simple call
   * to Unsafe.getUnsafe when integrating into a jdk.
   *
   * @return a sun.misc.Unsafe
   */
  @SuppressWarnings("removal") // b/318391980
  private static sun.misc.Unsafe getUnsafe() {
    try {
      return sun.misc.Unsafe.getUnsafe();

                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED</arg>
                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED</arg>
                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED</arg>
                <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED</arg>

    }
  }

  /**
   * Returns a sun.misc.Unsafe. Suitable for use in a 3rd party package. Replace with a simple call
   * to Unsafe.getUnsafe when integrating into a jdk.
   *
   * @return a sun.misc.Unsafe
   */
  @SuppressWarnings("removal") // b/318391980
  private static sun.misc.Unsafe getUnsafe() {
    try {
      return sun.misc.Unsafe.getUnsafe();

   * {@link java.util.Collections#checkedCollection(java.util.Collection, Class)} can suppress it
   * with {@code FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6409434">Sun bug 6409434</a> is fixed.
   * It's unclear whether nulls were to be permitted or forbidden, but presumably the eventual fix

   * that tests of {@link CopyOnWriteArrayList} can suppress them with {@code
   * FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6570631">Sun bug 6570631</a> is fixed.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getSubListOriginalListSetAffectsSubListMethod() {

   * {@link java.util.Collections#checkedCollection(java.util.Collection, Class)} can suppress it
   * with {@code FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6409434">Sun bug 6409434</a> is fixed.
   * It's unclear whether nulls were to be permitted or forbidden, but presumably the eventual fix

    }
  }

  /**
   * Returns a sun.misc.Unsafe. Suitable for use in a 3rd party package. Replace with a simple call
   * to Unsafe.getUnsafe when integrating into a jdk.
   *
   * @return a sun.misc.Unsafe
   */
  @SuppressWarnings("removal") // b/318391980
  private static sun.misc.Unsafe getUnsafe() {
    try {
      return sun.misc.Unsafe.getUnsafe();

              new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
                @Override
                public sun.misc.Unsafe run() throws Exception {
                  Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class;
                  for (java.lang.reflect.Field f : k.getDeclaredFields()) {
                    f.setAccessible(true);
                    Object x = f.get(null);

   * that tests of {@link CopyOnWriteArrayList} can suppress them with {@code
   * FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6570631">Sun bug 6570631</a> is fixed.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getSubListOriginalListSetAffectsSubListMethod() {

   * Returns the {@link Method} instance for {@link #testCreateWithNull_unsupported()} so that tests
   * can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=5045147">Sun bug 5045147</a> is fixed.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getCreateWithNullUnsupportedMethod() {