* finalization to happen. However, a call to {@code System.gc()} is specified to be no more than a
 * hint, so this technique may fail at the whim of the JDK implementation, for example if a user
 * specified the JVM flag {@code -XX:+DisableExplicitGC}. But in practice, it works very well for
 * ordinary tests.
 *

      return Types.toString(type);
    }

    boolean jdkTypeDuplicatesOwnerName() {
      return true;
    }
  }

  /**
   * Per <a href="https://github.com/google/guava/issues/1635">issue 1635</a>, In JDK 1.7.0_51-b13,
   * {@link TypeVariableImpl#equals(Object)} is changed to no longer be equal to custom TypeVariable
   * implementations. As a result, we need to make sure our TypeVariable implementation respects

 *
 * <p>An instance of this class is serializable if its reference is absent or is a serializable
 * object.
 *
 * <p><b>Comparison to {@code java.util.Optional} (JDK 8 and higher):</b> A new {@code Optional}
 * class was added for Java 8. The two classes are extremely similar, but incompatible (they cannot
 * share a common supertype). <i>All</i> known differences are listed either here or with the

  private static final short GREATEST = Short.MAX_VALUE;

  private static final short[] VALUES = {LEAST, (short) -1, (short) 0, (short) 1, GREATEST};

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testHashCode() {
    for (short value : VALUES) {
      assertThat(Shorts.hashCode(value)).isEqualTo(Short.hashCode(value));
    }
  }

    INSTANCE;

    @Override
    public int compare(boolean[] left, boolean[] right) {
      // do not static import Math.min due to https://bugs.openjdk.org/browse/JDK-8357219
      @SuppressWarnings("StaticImportPreferred")
      int minLength = Math.min(left.length, right.length);
      for (int i = 0; i < minLength; i++) {
        int result = Boolean.compare(left[i], right[i]);

    INSTANCE;

    @Override
    public int compare(boolean[] left, boolean[] right) {
      // do not static import Math.min due to https://bugs.openjdk.org/browse/JDK-8357219
      @SuppressWarnings("StaticImportPreferred")
      int minLength = Math.min(left.length, right.length);
      for (int i = 0; i < minLength; i++) {
        int result = Boolean.compare(left[i], right[i]);

   * might not (and the answer might change while we're building the array).
   *
   * TODO: cpovirk - Is this an issue anywhere anymore? It looks to have been fixed for Java 8
   * (https://bugs.openjdk.org/browse/JDK-7121314) and before Lollipop
   * (https://r.android.com/47508). We *would* need to worry for J2KT, whose own concurrency support
   * is evolving (b/381065164, b/458160722), but this class is @J2ktIncompatible.
   *

      return Types.toString(type);
    }

    boolean jdkTypeDuplicatesOwnerName() {
      return true;
    }
  }

  /**
   * Per <a href="https://github.com/google/guava/issues/1635">issue 1635</a>, In JDK 1.7.0_51-b13,
   * {@link TypeVariableImpl#equals(Object)} is changed to no longer be equal to custom TypeVariable
   * implementations. As a result, we need to make sure our TypeVariable implementation respects

  }

  /*
   * TODO: b/381289911 - Make the Iterator overload use StringJoiner (including Android or not)—or
   * some other optimization, given that StringJoiner can over-allocate:
   * https://bugs.openjdk.org/browse/JDK-8305774
   */

  // TODO: b/381289911 - Optimize MapJoiner similarly to Joiner (including Android or not).

  /**
   * Returns a string containing the string representation of each of {@code parts}, using the

      // On Android, HttpURLConnection is implemented by OkHttp v2. OkHttp
      // treats an incomplete response body as a ProtocolException.
    } catch (ioe: IOException) {
      // Change in https://bugs.openjdk.org/browse/JDK-8335135
      assertThat(ioe.message).isEqualTo("Premature EOF")
    }
  }

  private fun headersToList(response: MockResponse): List<String> {
    val headers = response.headers
    val size = headers.size