ImmutableMultiset.Builder<String> builder = ImmutableMultiset.builder();
    builder.addCopies("a", 2);
    builder.add("b");
    builder.add("c");
    builder.setCount("b", 0);
    ImmutableMultiset<String> multiset = builder.build();
    assertThat(multiset.elementSet()).containsExactly("a", "c").inOrder();
    builder.add("b");

      ImmutableList.Builder<String> builder = ImmutableList.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Iterable<String>) null));
    }

    {
      ImmutableList.Builder<String> builder = ImmutableList.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Iterator<String>) null));
    }

    {
      ImmutableList.Builder<String> builder = ImmutableList.builder();

import java.util.Set;
import java.util.SortedMap;
import java.util.SortedSet;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Derived suite generators, split out of the suite builders so that they are available to GWT.
 *
 * @author George van den Driessche
 */
@GwtCompatible
@NullMarked
public final class DerivedCollectionGenerators {

      }
      return newCapacity;
    }

    Builder() {}

    /**
     * Adds {@code element} to the {@code ImmutableCollection} being built.
     *
     * <p>Note that each builder class covariantly returns its own type from this method.
     *
     * @param element the element to add
     * @return this {@code Builder} instance
     * @throws NullPointerException if {@code element} is null
     */

    assertEquals(ImmutableList.of(1, 2, 3), ImmutableList.copyOf(list.toArray(new Integer[0])));
  }

  @J2ktIncompatible
  @GwtIncompatible // suite
  @AndroidIncompatible // test-suite builders
  public static class BuiltTests extends TestCase {
    public static Test suite() {
      TestSuite suite = new TestSuite();

      suite.addTest(

      ImmutableList.Builder<String> builder = ImmutableList.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Iterable<String>) null));
    }

    {
      ImmutableList.Builder<String> builder = ImmutableList.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Iterator<String>) null));
    }

    {
      ImmutableList.Builder<String> builder = ImmutableList.builder();

/**
 * Run collection tests on wrappers from {@link Multimaps}.
 *
 * @author Jared Levy
 */
@GwtIncompatible // suite // TODO(cpovirk): set up collect/gwt/suites version
@NullUnmarked
@AndroidIncompatible // test-suite builders
public class MultimapsCollectionTest extends TestCase {

  private static final Feature<?>[] FOR_MAP_FEATURES_ONE = {
    CollectionSize.ONE,
    ALLOWS_NULL_VALUES,
    SUPPORTS_REMOVE,

  private static final int MAX_BOUND = 1;

  static {
    ImmutableList.Builder<Range<Integer>> builder = ImmutableList.builder();

    builder.add(Range.<Integer>all());

    // Add one-ended ranges
    for (int i = MIN_BOUND; i <= MAX_BOUND; i++) {
      for (BoundType type : BoundType.values()) {
        builder.add(Range.upTo(i, type));
        builder.add(Range.downTo(i, type));
      }
    }

import org.jspecify.annotations.Nullable;

/**
 * Test suites for wrappers in {@code Maps}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
@AndroidIncompatible // test-suite builders
public class MapsCollectionTest extends TestCase {
  public static Test suite() {
    TestSuite suite = new TestSuite();

    suite.addTest(
        NavigableMapTestSuiteBuilder.using(

/**
 * Run collection tests on wrappers from {@link Multimaps}.
 *
 * @author Jared Levy
 */
@GwtIncompatible // suite // TODO(cpovirk): set up collect/gwt/suites version
@NullUnmarked
@AndroidIncompatible // test-suite builders
public class MultimapsCollectionTest extends TestCase {

  private static final Feature<?>[] FOR_MAP_FEATURES_ONE = {
    CollectionSize.ONE,
    ALLOWS_NULL_VALUES,
    SUPPORTS_REMOVE,