* {@link Predicate#apply}. Do not provide a predicate such as {@code
   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals.
   *
   * @since 14.0
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      SetMultimap<K, V> filterKeys(
          SetMultimap<K, V> unfiltered, Predicate<? super K> keyPredicate) {

   * {@link Predicate#apply}. Do not provide a predicate such as {@code
   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals.
   *
   * @since 14.0
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      SetMultimap<K, V> filterKeys(
          SetMultimap<K, V> unfiltered, Predicate<? super K> keyPredicate) {

  integrity sha512-ikqdkGAAyf/X/gPhXGvfgAytDZtDbr+bkNUJ0N9h5MI/dmdgCs3l6hoHrcUv41sRKew3jIwrp4qQDXiK99Utww==
  dependencies:
    ee-first "1.1.1"

once@^1.3.0:
  version "1.4.0"
  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
  integrity sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==
  dependencies:
    wrappy "1"

  }

  /**
   * Creates a {@code ListenableFuture} which is cancelled immediately upon construction, so that
   * {@code isCancelled()} always returns {@code true}.
   *
   * @since 14.0
   */
  @SuppressWarnings("unchecked") // ImmediateCancelledFuture can work with any type
  public static <V extends @Nullable Object> ListenableFuture<V> immediateCancelledFuture() {

 *  New: Upgrade to BouncyCastle 1.60, Conscrypt 1.4.0, and Okio 1.15.0. We don't yet require
    Kotlin-friendly Okio 2.x but OkHttp works fine with that series.

    ```kotlin
    implementation("org.bouncycastle:bcprov-jdk15on:1.60")
    implementation("org.conscrypt:conscrypt-openjdk-uber:1.4.0")
    implementation("com.squareup.okio:okio:1.15.0")
    ```

   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals. (See {@link
   * Iterables#filter(Iterable, Class)} for related functionality.)
   *
   * @since 14.0
   */
  @GwtIncompatible // NavigableSet
  public static <E extends @Nullable Object> NavigableSet<E> filter(
      NavigableSet<E> unfiltered, Predicate<? super E> predicate) {