@GwtIncompatible // SerializableTester
  public void testStringConverterSerialization() {
    SerializableTester.reserializeAndAssert(Ints.stringConverter());
  }

  public void testToArray() {
    // need explicit type parameter to avoid javac warning!?
    List<Integer> none = Arrays.<Integer>asList();
    assertThat(Ints.toArray(none)).isEqualTo(EMPTY);

    List<Integer> one = Arrays.asList((int) 1);

 * implementation considerably. The assumption is that a user of this factory wishes to eliminate
 * any cyclic acquisition ordering.
 *
 * <p><strong>Explicit Lock Acquisition Ordering</strong>
 *
 * <p>The {@link CycleDetectingLockFactory.WithExplicitOrdering} class can be used to enforce an
 * application-specific ordering in addition to performing general cycle detection.
 *

     * including thread pool management and session-based crawling coordination.
     */
    public DataIndexHelper() {
        // Default constructor with explicit documentation
    }

    /**
     * Initiates crawling for all configured data stores.
     * This method retrieves all available data configurations and
     * starts the crawling process for each one.
     *

      K k4,
      V v4,
      K k5,
      V v5,
      K k6,
      V v6,
      K k7,
      V v7,
      K k8,
      V v8,
      K k9,
      V v9) {
    /*
     * This explicit type parameter works around what seems to be a javac bug in certain
     * configurations: b/339186525#comment6
     */
    return ImmutableSortedMap.fromEntries(
        entryOf(k1, v1),
        entryOf(k2, v2),

   * user-created objects that aren't accessible via this range set's methods. This is generally
   * used to determine whether {@code copyOf} implementations should make an explicit copy to avoid
   * memory leaks.
   */
  boolean isPartialView() {
    return ranges.isPartialView();
  }

  /** Returns a new builder for an immutable range set. */

        return (logX2Floor < 2 * logFloor + 1) ? logFloor : logFloor + 1;
    }
    throw new AssertionError();
  }

  /*
   * The maximum number of bits in a square root for which we'll precompute an explicit half power
   * of two. This can be any value, but higher values incur more class load time and linearly
   * increasing memory consumption.
   */
  @VisibleForTesting static final int SQRT2_PRECOMPUTE_THRESHOLD = 256;

    this(
        allowsNullKeys,
        allowsNullValues,
        supportsPut,
        supportsRemove,
        supportsClear,
        supportsRemove);
  }

  /** Constructor with an explicit {@code supportsIteratorRemove} parameter. */
  protected MapInterfaceTest(
      boolean allowsNullKeys,
      boolean allowsNullValues,
      boolean supportsPut,
      boolean supportsRemove,

   * user-created objects that aren't accessible via this multimap's methods. This is generally used
   * to determine whether {@code copyOf} implementations should make an explicit copy to avoid
   * memory leaks.
   */
  boolean isPartialView() {
    return map.isPartialView();
  }

  // accessors

  @Override
  public boolean containsKey(@Nullable Object key) {

   * iterable is empty.
   *
   * <p><b>Warning:</b> Typical uses of the resulting iterator may produce an infinite loop. You
   * should use an explicit {@code break} or be certain that you will eventually remove all the
   * elements.
   *
   * <p><b>{@code Stream} equivalent:</b> if the source iterable has only a single element {@code

    multiple `OkHttpClient` instances.

    This particularly-subtle bug was caused by us assigning each `OkHttpClient` instance its own
    `NullProxySelector` when an explicit proxy is configured. But we don't share connections when
    the proxy selectors are different. Ugh!


## Version 4.2.0

_2019-09-10_