}
            }
        }

        public boolean isValid() {
            return isValid;
        }

        public void invalidate() {
            this.isValid = false;
            // Clear sensitive data
            synchronized (hashLock) {
                Arrays.fill(currentHash, (byte) 0);
            }
        }
    }

    /**

  public <T extends @Nullable Object> T[] toArray(T[] a) {
    return ObjectArrays.toArrayImpl(this, a);
  }

  @Override
  public void clear() {
    if (needsAllocArrays()) {
      return;
    }
    this.firstEntry = ENDPOINT;
    this.lastEntry = ENDPOINT;

  }

  @Override
  public Spliterator<E> spliterator() {
    return Spliterators.spliterator(this, Spliterator.ORDERED | Spliterator.DISTINCT);
  }

  @Override
  public void clear() {
    if (needsAllocArrays()) {
      return;
    }
    this.firstEntry = ENDPOINT;
    this.lastEntry = ENDPOINT;

          }
        });

    // Run these together.
    fakePool.runAll();

    // Check that this thread has been marked as interrupted again now that the thread has been
    // returned by SequentialExecutor. Clear the bit while checking so that the test doesn't hose
    // JUnit or some other test case.
    assertThat(Thread.interrupted()).isTrue();
  }

  void putAll(RangeMap<K, ? extends V> rangeMap);

  /** Removes all associations from this range map (optional operation). */
  void clear();

  /**
   * Removes all associations from this range map in the specified range (optional operation).
   *
   * <p>If {@code !range.contains(k)}, {@link #get(Comparable) get(k)} will return the same result

          {new MapRetrievalCache<String, String>(new TreeMap<String, String>(nullsLast))}
        });
  }

  @Before
  public void init() {
    mapCache.clear();
  }

  @Test
  public void testKeySetIterator() {
    mapCache.put("A", "A_value");
    mapCache.put("B", "B_value");
    mapCache.put("C", "C_value");

                ipAttempts.size());
    }

    /**
     * Reset all rate limiting state
     */
    public void reset() {
        accountAttempts.clear();
        ipAttempts.clear();
        globalAttemptsInCurrentWindow.set(0);
        currentWindowStart.set(System.currentTimeMillis());
        totalAttemptsBlocked.set(0);
        totalAccountsLocked.set(0);

    // Set<Object> keys = map.keySet();
    // assertThat(keys).containsExactly(one, three);
    // Collection<Object> values = map.values();
    // assertThat(values).containsExactly(one, two);

    map.clear();

    assertThat(cache.stats()).isEqualTo(EMPTY_STATS);
  }

  public void testNoStats() {
    CacheBuilder<Object, Object> builder =
        CacheBuilder.newBuilder().concurrencyLevel(1).maximumSize(2);

   *
   * <p>This is equivalent to {@code remove(Range.all())}.
   *
   * @throws UnsupportedOperationException if this range set does not support the {@code clear}
   *     operation
   */
  void clear();

  /**
   * Adds all of the ranges from the specified range set to this range set (optional operation).
   * After this operation, this range set is the minimal range set that {@linkplain

            try {
                channel.getTransport().close();
            } catch (Exception e) {
                log.debug("Error closing channel", e);
            }
        }

        channels.clear();
    }

    private boolean supportsMultiChannel() {
        // Check if both client and server support multi-channel
        if (!context.getConfig().isUseMultiChannel()) {
            return false;
        }