public void clear() {
      MapMakerInternalMap.this.clear();
    }

    // super.toArray() may misbehave if size() is inaccurate, at least on old versions of Android.
    // https://code.google.com/p/android/issues/detail?id=36519 / http://r.android.com/47508

    @Override
    public Object[] toArray() {
      return toArrayList(this).toArray();
    }

    @Override

                newUpdater(AbstractFuture.class, Object.class, "value"));
      } catch (Exception // sneaky checked exception
          | Error atomicReferenceFieldUpdaterFailure) {
        // Some Android 5.0.x Samsung devices have bugs in JDK reflection APIs that cause
        // getDeclaredField to throw a NoSuchFieldException when the field is definitely there.

 *
 * <p>The successor to Guava's caching API is <a
 * href="https://github.com/ben-manes/caffeine/wiki">Caffeine</a>. Its API is designed to make it a
 * nearly drop-in replacement. It requires Java 8+, and is not available for Android or GWT/J2CL,
 * and may have <a href="https://github.com/ben-manes/caffeine/wiki/Guava">different (usually
 * better) behavior</a> when multiple threads attempt concurrent mutations. Its equivalent to {@code