*/

package com.google.common.io;

import static com.google.common.base.StandardSystemProperty.OS_NAME;
import static com.google.common.io.RecursiveDeleteOption.ALLOW_INSECURE;
import static com.google.common.jimfs.Feature.SECURE_DIRECTORY_STREAM;
import static com.google.common.jimfs.Feature.SYMBOLIC_LINKS;
import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.UTF_8;

   * MD5 (128 hash bits) hash function and the given secret key.
   *
   * <p>If you are designing a new system that needs HMAC, prefer {@link #hmacSha256} or other
   * future-proof algorithms <a
   * href="https://datatracker.ietf.org/doc/html/rfc6151#section-2.3">over {@code hmacMd5}</a>.
   *
   * @param key the secret key

    private static final String MESSAGE =
        "Guava cannot securely create temporary files or directories under SDK versions before"
            + " Jelly Bean. You can create one yourself, either in the insecure default directory"
            + " or in a more secure directory, such as context.getCacheDir(). For more information,"
            + " see the Javadoc for Files.createTempDir().";

 *       are called <i>cryptographic hash functions</i>. But, whenever it is learned that either of
 *       these feats has become computationally feasible, the function is deemed "broken" and should
 *       no longer be used for secure purposes. (This is the likely eventual fate of <i>all</i>
 *       cryptographic hashes.)
 *   <li><b>fast:</b> perhaps self-explanatory, but often the most important consideration.
 * </ul>
 *

 * com.google.common.base.FinalizableReference}.
 *
 * <p>While this class is public, we consider it to be *internal* and not part of our published API.
 * It is public so we can access it reflectively across class loaders in secure environments.
 *
 * <p>This class can't depend on other Guava code. If we were to load this class in the same class
 * loader as the rest of Guava, this thread would keep an indirect strong reference to the class

      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacMD5");
  private static final SecretKey SHA1_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA1");
  private static final SecretKey SHA256_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA256");
  private static final SecretKey SHA512_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA512");

   */
  protected void verify(List<E> elements) {}

  /** Executes the test. */
  @SuppressWarnings("CatchingUnchecked") // sneaky checked exception
  public final void test() {
    try {
      recurse(0);
    } catch (Exception e) { // sneaky checked exception
      throw new RuntimeException(Arrays.toString(stimuli), e);
    }
  }

  public void testForEachRemaining() {

     * Level#SEVERE} message indicating the potential deadlock, which includes stack traces
     * illustrating the cycle in lock acquisition order.
     */
    WARN {
      @Override
      public void handlePotentialDeadlock(PotentialDeadlockException e) {
        logger.get().log(Level.SEVERE, "Detected potential deadlock", e);
      }
    },

    /**

thinking over all the children she knew that were of the same age
as herself, to see if she could have been changed for any of
them.

  `I'm sure I'm not Ada,' she said, `for her hair goes in such
long ringlets, and mine doesn't go in ringlets at all; and I'm
sure I can't be Mabel, for I know all sorts of things, and she,
oh! she knows such a very little!  Besides, SHE'S she, and I'm I,

    }
  }

  @Benchmark
  public boolean timeFindCaller(int reps) {
    return timeFindCaller(reps, recursionCount);
  }

  private boolean timeFindCaller(int reps, int recurse) {
    return recurse > 0 ? timeFindCaller(reps, recurse - 1) : mode.timeIt(reps, breakAt);
  }