}
    }
  }

  /**
   * A means for changing an Ordering into another Ordering. Each instance is responsible for
   * creating the alternate Ordering, and providing a List that is known to be ordered, based on an
   * input List known to be ordered according to the input Ordering.
   */
  private enum OrderingMutation {
    REVERSE {

      }
    }
  }

  /**
   * A means for changing an Ordering into another Ordering. Each instance is responsible for
   * creating the alternate Ordering, and providing a List that is known to be ordered, based on an
   * input List known to be ordered according to the input Ordering.
   */
  private enum OrderingMutation {
    REVERSE {

   * the case of Android, the current app. If that is not possible (as is the case under the very
   * old Android Ice Cream Sandwich release), then this method throws an exception instead of
   * creating a directory that would be more accessible. (This behavior is new in Guava 32.0.0.
   * Previous versions would create a directory that is more accessible, as discussed in <a

    }
  }

  interface Receiver<T> {
    void accept(@Nullable T object);
  }

  /**
   * Assuming the given cache has maximum size {@code maxSize}, this method populates the cache (by
   * getting a bunch of different keys), then makes sure all the items in the cache are also in the
   * eviction queue. It will invoke the given {@code operation} on the first element in the eviction

    checkArgument(validateSyntax(parts), "Not a valid domain name: '%s'", name);
  }

  /**
   * Internal constructor that skips validations when creating an instance from parts of an
   * already-validated InternetDomainName, as in {@link ancestor}.
   */
  private InternetDomainName(String name, ImmutableList<String> parts) {

    awaitTerminationUninterruptibly(executor);
    assertTrue(executor.isTerminated());
    assertInterrupted();
  }

  /**
   * Wrapper around {@link Stopwatch} which also contains an "expected completion time." Creating a
   * {@code Completion} starts the underlying stopwatch.
   */
  private static final class Completion {
    final Stopwatch stopwatch;
    final long expectedCompletionWaitMillis;

 * <i>stripes</i>, increasing the granularity of a single lock and allowing independent operations
 * to lock different stripes and proceed concurrently, instead of creating contention for a single
 * lock.
 *
 * <p>The guarantee provided by this class is that equal keys lead to the same lock (or semaphore),

   * Splitter.on(',').omitEmptyStrings().split(",a,,,b,c,,")} returns an iterable containing only
   * {@code ["a", "b", "c"]}.
   *
   * <p>If either {@code trimResults} option is also specified when creating a splitter, that
   * splitter always trims results first before checking for emptiness. So, for example, {@code
   * Splitter.on(':').omitEmptyStrings().trimResults().split(": : : ")} returns an empty iterable.
   *

    checkArgument(columnIndex != null, "Column %s not in %s", columnKey, columnList);
    return set(rowIndex, columnIndex, value);
  }

  /*
   * TODO(jlevy): Consider creating a merge() method, similar to putAll() but
   * copying non-null values only.
   */

  /**
   * {@inheritDoc}
   *

    return new IllegalArgumentException(
        "Multiple entries with same " + conflictDescription + ": " + entry1 + " and " + entry2);
  }

  /**
   * A builder for creating immutable map instances, especially {@code public static final} maps
   * ("constant maps"). Example:
   *
   * <pre>{@code
   * static final ImmutableMap<String, Integer> WORD_TO_INT =