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 com.google.errorprone.annotations.DoNotCall;
import java.util.Iterator;
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 type-to-instance map. See also {@link ImmutableTypeToInstanceMap}.
 *
 * @author Ben Yu
 * @since 13.0
 */
@ElementTypesAreNonnullByDefault

   * 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);

org.checkerframework.checker.linear
org.checkerframework.checker.linear.qual
org.checkerframework.checker.lock
org.checkerframework.checker.lock.qual
org.checkerframework.checker.nullness
org.checkerframework.checker.nullness.compatqual
org.checkerframework.checker.nullness.qual
org.checkerframework.checker.propkey
org.checkerframework.checker.propkey.qual
org.checkerframework.checker.regex
org.checkerframework.checker.regex.qual

org.checkerframework.checker.linear
org.checkerframework.checker.linear.qual
org.checkerframework.checker.lock
org.checkerframework.checker.lock.qual
org.checkerframework.checker.nullness
org.checkerframework.checker.nullness.compatqual
org.checkerframework.checker.nullness.qual
org.checkerframework.checker.propkey
org.checkerframework.checker.propkey.qual
org.checkerframework.checker.regex
org.checkerframework.checker.regex.qual

    return true;
  }

  private static final NullnessAnnotationReader NULLNESS_ANNOTATION_READER =
      annotatedTypeExists()
          ? NullnessAnnotationReader.FROM_DECLARATION_AND_TYPE_USE_ANNOTATIONS
          : NullnessAnnotationReader.FROM_DECLARATION_ANNOTATIONS_ONLY;

  /**
   * Looks for declaration nullness annotations and, if supported, type-use nullness annotations.
   *

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;
import java.io.Serializable;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/** An ordering that treats {@code null} as less than all other values. */
@GwtCompatible(serializable = true)
@ElementTypesAreNonnullByDefault

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Annotates a "top-level" type-variable usage that takes its nullness from the type argument
 * supplied by the user of the class. For example, {@code Multiset.Entry.getElement()} returns
 * {@code @ParametricNullness E}, which means:
 *
 * <ul>

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Annotates a "top-level" type-variable usage that takes its nullness from the type argument
 * supplied by the user of the class. For example, {@code Multiset.Entry.getElement()} returns
 * {@code @ParametricNullness E}, which means:
 *
 * <ul>

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Annotates a "top-level" type-variable usage that takes its nullness from the type argument
 * supplied by the user of the class. For example, {@code Multiset.Entry.getElement()} returns
 * {@code @ParametricNullness E}, which means:
 *
 * <ul>