"GuardedBy", // TODO(b/35466881): Fix or suppress.
  "nullness", // too much trouble for the payoff
})
// TODO(cpovirk): Annotate for nullness.
class MapMakerInternalMap<
        K,
        V,
        E extends MapMakerInternalMap.InternalEntry<K, V, E>,
        S extends MapMakerInternalMap.Segment<K, V, E, S>>
    extends AbstractMap<K, V> implements ConcurrentMap<K, V>, Serializable {

  /*

package com.google.common.collect;

import static com.google.common.collect.MapMakerInternalMap.DRAIN_THRESHOLD;
import static com.google.common.truth.Truth.assertThat;

import com.google.common.base.Equivalence;
import com.google.common.collect.MapMakerInternalMap.InternalEntry;
import com.google.common.collect.MapMakerInternalMap.Segment;
import com.google.common.collect.MapMakerInternalMap.Strength;

package com.google.common.collect;

import static com.google.common.collect.MapMakerInternalMap.DRAIN_THRESHOLD;
import static com.google.common.truth.Truth.assertThat;

import com.google.common.base.Equivalence;
import com.google.common.collect.MapMakerInternalMap.InternalEntry;
import com.google.common.collect.MapMakerInternalMap.Segment;
import com.google.common.collect.MapMakerInternalMap.Strength;

  static final class InternerImpl<E> implements Interner<E> {
    // MapMaker is our friend, we know about this type
    @VisibleForTesting final MapMakerInternalMap<E, Dummy, ?, ?> map;

    private InternerImpl(MapMaker mapMaker) {
      this.map =
          MapMakerInternalMap.createWithDummyValues(mapMaker.keyEquivalence(Equivalence.equals()));
    }

    @Override
    public E intern(E sample) {
      while (true) {

    return setValueStrength(Strength.WEAK);
  }

  /**
   * A dummy singleton value type used by {@link Interners}.
   *
   * <p>{@link MapMakerInternalMap} can optimize for memory usage in this case; see {@link
   * MapMakerInternalMap#createWithDummyValues}.
   */
  enum Dummy {
    VALUE
  }

  MapMaker setValueStrength(Strength strength) {

 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.collect.MapMakerInternalMap.Strength.STRONG;
import static com.google.common.collect.MapMakerInternalMap.Strength.WEAK;
import static com.google.common.testing.SerializableTester.reserializeAndAssert;
import static java.util.Arrays.asList;
import static org.junit.Assert.assertThrows;

 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.collect.MapMakerInternalMap.Strength.STRONG;
import static com.google.common.collect.MapMakerInternalMap.Strength.WEAK;
import static com.google.common.testing.SerializableTester.reserializeAndAssert;
import static java.util.Arrays.asList;
import static org.junit.Assert.assertThrows;

  static final class InternerImpl<E> implements Interner<E> {
    // MapMaker is our friend, we know about this type
    @VisibleForTesting final MapMakerInternalMap<E, Dummy, ?, ?> map;

    private InternerImpl(MapMaker mapMaker) {
      this.map =
          MapMakerInternalMap.createWithDummyValues(mapMaker.keyEquivalence(Equivalence.equals()));
    }

    @Override
    public E intern(E sample) {
      while (true) {

package com.google.common.collect;

import static org.junit.Assert.assertThrows;

import com.google.common.base.Function;
import com.google.common.collect.Interners.InternerImpl;
import com.google.common.collect.MapMakerInternalMap.Strength;
import com.google.common.testing.GcFinalization;
import com.google.common.testing.NullPointerTester;
import java.lang.ref.WeakReference;
import junit.framework.TestCase;

/**

package com.google.common.collect;

import static org.junit.Assert.assertThrows;

import com.google.common.base.Function;
import com.google.common.collect.Interners.InternerImpl;
import com.google.common.collect.MapMakerInternalMap.Strength;
import com.google.common.testing.GcFinalization;
import com.google.common.testing.NullPointerTester;
import java.lang.ref.WeakReference;
import junit.framework.TestCase;

/**