extends ForwardingMap<K, V> implements BiMap<K, V>, Serializable {

  @SuppressWarnings("nullness:initialization.field.uninitialized") // For J2KT (lateinit)
  private transient Map<K, V> delegate;

  @SuppressWarnings("nullness:initialization.field.uninitialized") // For J2KT (lateinit)
  @RetainedWith
  transient AbstractBiMap<V, K> inverse;

   * this {@code TopKSelector}. This method returns in O(k log k) time.
   */
  @SuppressWarnings("nullness") // TODO: b/316358623 - Remove after checker fix.
  public List<T> topK() {
    @SuppressWarnings("nullness") // safe because we pass sort() a range that contains real Ts
    T[] castBuffer = (T[]) buffer;
    Arrays.sort(castBuffer, 0, bufferSize, comparator);

    extends ForwardingMap<K, V> implements BiMap<K, V>, Serializable {

  @SuppressWarnings("nullness:initialization.field.uninitialized") // For J2KT (lateinit)
  private transient Map<K, V> delegate;

  @SuppressWarnings("nullness:initialization.field.uninitialized") // For J2KT (lateinit)
  @RetainedWith
  transient AbstractBiMap<V, K> inverse;

import java.util.AbstractCollection;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A simplistic collection which implements only the bare minimum allowed by the spec, and throws
 * exceptions whenever it can.
 *
 * @author Kevin Bourrillion
 */

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.Arrays;
import java.util.Map;
import java.util.Set;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Methods factored out so that they can be emulated differently in GWT.
 *
 * @author Hayward Chan
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault

import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A mutable class-to-instance map backed by an arbitrary user-provided map. See also {@link
 * ImmutableClassToInstanceMap}.
 *

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * CompactLinkedHashSet is an implementation of a Set, which a predictable iteration order that
 * matches the insertion order. All optional operations (adding and removing) are supported. All

  @CheckForNull
  public V put(K key, @ParametricNullness V value) {
    return super.put(key, value);
  }

  @CanIgnoreReturnValue
  @Override
  @SuppressWarnings("RedundantOverride") // b/192446478: RedundantOverride ignores some annotations.
  // TODO(b/192446998): Remove this override after tools understand nullness better.
  @CheckForNull

import java.util.Iterator;
import java.util.List;
import java.util.SortedSet;
import java.util.stream.Stream;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A discouraged (but not deprecated) precursor to Java's superior {@link Stream} library.
 *
 * <p>The following types of methods are provided:
 *
 * <ul>

  @CheckForNull
  public V put(K key, @ParametricNullness V value) {
    return super.put(key, value);
  }

  @CanIgnoreReturnValue
  @Override
  @SuppressWarnings("RedundantOverride") // b/192446478: RedundantOverride ignores some annotations.
  // TODO(b/192446998): Remove this override after tools understand nullness better.
  @CheckForNull