return Boolean.compare(a, b);
  }

  /**
   * Returns {@code true} if {@code target} is present as an element anywhere in {@code array}.
   *
   * <p><b>Note:</b> consider representing the array as a {@link java.util.BitSet} instead,
   * replacing {@code Booleans.contains(array, true)} with {@code !bitSet.isEmpty()} and {@code

    return Boolean.compare(a, b);
  }

  /**
   * Returns {@code true} if {@code target} is present as an element anywhere in {@code array}.
   *
   * <p><b>Note:</b> consider representing the array as a {@link java.util.BitSet} instead,
   * replacing {@code Booleans.contains(array, true)} with {@code !bitSet.isEmpty()} and {@code

        List<? super String> list) {
      return notSubtype(list);
    }

    // Can't test getSupertype() or getSubtype() because JDK reflection doesn't consider
    // Foo<?> and Foo<? extends Bar> equal for class Foo<T extends Bar>
    @TestSubtype(suppressGetSupertype = true, suppressGetSubtype = true)
    public UseIterable<?> explicitTypeBoundIsSubtypeOfImplicitTypeBound(

        List<? super String> list) {
      return notSubtype(list);
    }

    // Can't test getSupertype() or getSubtype() because JDK reflection doesn't consider
    // Foo<?> and Foo<? extends Bar> equal for class Foo<T extends Bar>
    @TestSubtype(suppressGetSupertype = true, suppressGetSubtype = true)
    public UseIterable<?> explicitTypeBoundIsSubtypeOfImplicitTypeBound(

configuration history is [tracked here](../security/tls_configuration_history.md).

Applications expected to be installed on older Android devices should consider adopting the
[Google Play Services’ ProviderInstaller][provider_installer]. This will increase security for users
and increase connectivity with web servers.

   * <p>To get the only element in a single-element {@code Iterable}, consider using {@link
   * #getOnlyElement(Iterable)} or {@link #getOnlyElement(Iterable, Object)} instead.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.findFirst().orElse(defaultValue)}
   *
   * <p><b>Java 21+ users:</b> if {code iterable} is a {@code SequencedCollection} (e.g., any list),

    // user-specified -XX:+DisableExplicitGC.
    //
    // TODO(user): Consider using
    // java/lang/management/OperatingSystemMXBean.html#getSystemLoadAverage()
    //
    // TODO(user): Consider scaling by number of mutator threads,
    // e.g. using Thread#activeCount()
    return max(10L, Runtime.getRuntime().totalMemory() / (32L * 1024L * 1024L));
  }

   *     unimplement<i>able</i> (for example, consider a {@code Converter<Chicken, ChickenNugget>}),
   *     then this is not logically a {@code Converter} at all, and should just implement {@link
   *     Function}.
   */
  @ForOverride
  protected abstract A doBackward(B b);

  // API (consumer-side) methods

  /**

  private static List<StackTraceElement> jlaStackTrace(Throwable t) {
    checkNotNull(t);
    /*
     * TODO(cpovirk): Consider optimizing iterator() to catch IOOBE instead of doing bounds checks.
     *
     * TODO(cpovirk): Consider the UnsignedBytes pattern if it performs faster and doesn't cause
     * AOSP grief.
     */
    return new AbstractList<StackTraceElement>() {
      /*

   * <p>To get the only element in a single-element {@code Iterable}, consider using {@link
   * #getOnlyElement(Iterable)} or {@link #getOnlyElement(Iterable, Object)} instead.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.findFirst().orElse(defaultValue)}
   *
   * <p><b>Java 21+ users:</b> if {code iterable} is a {@code SequencedCollection} (e.g., any list),