@VisibleForTesting
  static GetCheckedTypeValidator classValueValidator() {
    return GetCheckedTypeValidatorHolder.ClassValueValidator.INSTANCE;
  }

  /**
   * Provides a check of whether an exception type is valid for use with {@link
   * FuturesGetChecked#getChecked(Future, Class)}, possibly using caching.
   *
   * <p>Uses reflection to gracefully fall back to when certain implementations aren't available.

   * users with "read-only" access to internal tables. Query operations on the returned table "read
   * through" to the specified table, and attempts to modify the returned table, whether direct or
   * via its collection views, result in an {@code UnsupportedOperationException}.
   *
   * <p>The returned table will be serializable if the specified table is serializable.
   *

        return isValid(in, true);
    }

    /**
     * Checks if the given input stream contains valid sitemap data.
     * @param in the input stream to validate
     * @param recursive whether to recursively check compressed files
     * @return true if the stream contains valid sitemap data, false otherwise
     */
    protected boolean isValid(final InputStream in, final boolean recursive) {

   */
  @IgnoreJRERequirement // used only when Path is available (and only from tests)
  @VisibleForTesting
  static void testMakingUserPermissionsFromScratch() throws IOException {
    // All we're testing is whether it throws.
    FileAttribute<?> unused = JavaNioCreator.userPermissions().get();
  }

  @IgnoreJRERequirement // used only when Path is available
  private static final class JavaNioCreator extends TempFileCreator {

    private void workOnQueue() {
      boolean interruptedDuringTask = false;
      boolean hasSetRunning = false;
      try {
        while (true) {
          synchronized (queue) {
            // Choose whether this thread will run or not after acquiring the lock on the first
            // iteration
            if (!hasSetRunning) {
              if (workerRunningState == RUNNING) {

     *
     * @return true if the problem collector has overflowed and some problems were not preserved
     */
    boolean problemsOverflow();

    /**
     * Reports a problem: always maintains the counters, but whether problem is preserved in memory, depends on
     * implementation and its configuration.
     *
     * @param problem the problem to report
     * @return {@code true} if passed problem is preserved by this call.
     */

    private void workOnQueue() {
      boolean interruptedDuringTask = false;
      boolean hasSetRunning = false;
      try {
        while (true) {
          synchronized (queue) {
            // Choose whether this thread will run or not after acquiring the lock on the first
            // iteration
            if (!hasSetRunning) {
              if (workerRunningState == RUNNING) {

	if s3Err != ErrNone {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL)
		return
	}

	// Now we have all the key names, for each of them, check whether the policy grants permission for
	// the user to list it. Filter in place to leave only allowed keys.
	n := 0
	for _, k := range allKeys {
		if checkKMSActionAllowed(r, owner, cred, policy.KMSListKeysAction, k.Name) {

		if err != nil {
			return err
		}
	}
	return nil
}

// Eval - evaluates the Select statement for the given record. It
// applies only to non-aggregation queries.
// The function returns whether the statement passed the WHERE clause and should be outputted.
func (e *SelectStatement) Eval(input, output Record) (Record, error) {
	ok, err := e.isPassingWhereClause(input)
	if err != nil || !ok {

   * not present). When the collection delegate in the WrappedCollection is
   * empty, the multimap may contain subsequently added values for that key. To
   * handle that situation, the WrappedCollection checks whether map contains
   * an entry for the provided key, and if so replaces the delegate.
   */

  private transient Map<K, Collection<V>> map;
  private transient int totalSize;

  /**