assertThat(map.get(keyOne)).isNull();
        assertEquals(0, map.size());
        assertThat(segment.getValueReferenceQueueForTesting().poll()).isNull();
      }
    }
  }

  // utility methods

  private static Iterable<MapMaker> allWeakKeyStrengthMakers() {
    return ImmutableList.of(createMapMaker().weakKeys(), createMapMaker().weakKeys().weakValues());
  }

        assertThat(map.get(keyOne)).isNull();
        assertEquals(0, map.size());
        assertThat(segment.getValueReferenceQueueForTesting().poll()).isNull();
      }
    }
  }

  // utility methods

  private static Iterable<MapMaker> allWeakKeyStrengthMakers() {
    return ImmutableList.of(createMapMaker().weakKeys(), createMapMaker().weakKeys().weakValues());
  }

import java.util.Comparator;
import java.util.List;
import java.util.RandomAccess;
import java.util.Spliterator;
import java.util.Spliterators;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to {@code double} primitives, that are not already found in
 * either {@link Double} or {@link Arrays}.
 *
 * <p>See the Guava User Guide article on <a

import java.util.function.Function;
import java.util.function.Supplier;
import java.util.function.ToIntFunction;
import java.util.stream.Collector;
import org.jspecify.annotations.Nullable;

/**
 * Provides static utility methods for creating and working with {@link Multiset} instances.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/CollectionUtilitiesExplained#multisets">{@code
 * Multisets}</a>.

import java.util.stream.IntStream;
import java.util.stream.LongStream;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods related to {@code Stream} instances.
 *
 * @since 33.4.0 (but since 21.0 in the JRE flavor)
 */
@GwtCompatible
/*
 * Users will use most of these methods only if they're already using Stream. For a few other

import java.util.Comparator;
import java.util.List;
import java.util.RandomAccess;
import java.util.Spliterator;
import java.util.Spliterators;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to {@code int} primitives, that are not already found in either
 * {@link Integer} or {@link Arrays}.
 *
 * <p>See the Guava User Guide article on <a

import java.util.function.Function;
import java.util.function.Supplier;
import java.util.function.ToIntFunction;
import java.util.stream.Collector;
import org.jspecify.annotations.Nullable;

/**
 * Provides static utility methods for creating and working with {@link Multiset} instances.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/CollectionUtilitiesExplained#multisets">{@code
 * Multisets}</a>.

import java.util.Objects;
import java.util.RandomAccess;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.function.Predicate;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to {@link List} instances. Also see this class's counterparts
 * {@link Sets}, {@link Maps} and {@link Queues}.
 *
 * <p>See the Guava User Guide article on <a href=

    authenticator has access to the full incoming response and can respond with
    whichever followup request is appropriate. The `Challenge` class is now a
    top-level class and `Credential` is replaced with a utility class called
    `Credentials`.

 *  **OkHttpClient.getFollowProtocolRedirects() renamed to
    getFollowSslRedirects()**. We reserve the word _protocol_ for the HTTP

import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Base class for JSR166 Junit TCK tests. Defines some constants, utility methods and classes, as
 * well as a simple framework for helping to make sure that assertions failing in generated threads
 * cause the associated test that generated them to itself fail (which JUnit does not otherwise