final Collection<E> unfiltered;
    final Predicate<? super E> predicate;

    FilteredCollection(Collection<E> unfiltered, Predicate<? super E> predicate) {
      this.unfiltered = unfiltered;
      this.predicate = predicate;
    }

    FilteredCollection<E> createCombined(Predicate<? super E> newPredicate) {
      return new FilteredCollection<>(unfiltered, Predicates.and(predicate, newPredicate));
    }

    @Override

          assertTrue(collection.removeIf(Predicate.isEqual(samples.e0())));
          iterator.next();
        });
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRemoveIf_unsupportedEmptyCollection() {
    try {
      assertFalse(
          "removeIf(Predicate) should return false or throw " + "UnsupportedOperationException",

      Class<T> expectedThrowable, ThrowingSupplier supplier, boolean userPassedSupplier) {
    checkNotNull(expectedThrowable);
    checkNotNull(supplier);
    Predicate<Throwable> predicate = INSTANCE_OF.get(expectedThrowable);
    if (predicate == null) {
      throw new IllegalArgumentException(
          expectedThrowable
              + " is not yet supported by ReflectionFreeAssertThrows. Add an entry for it in the"

  }

  private static void assertEvalsToTrue(Predicate<? super @Nullable Integer> predicate) {
    assertTrue(predicate.apply(0));
    assertTrue(predicate.apply(1));
    assertTrue(predicate.apply(null));
  }

  private static void assertEvalsToFalse(Predicate<? super @Nullable Integer> predicate) {
    assertFalse(predicate.apply(0));
    assertFalse(predicate.apply(1));
    assertFalse(predicate.apply(null));
  }

import com.google.common.base.Predicate;
import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;

/**
 * Tests for Multimaps.filterEntries().asMap().
 *
 * @author Jared Levy
 */
@GwtIncompatible(value = "untested")
public class MultimapsFilterEntriesAsMapTest extends AbstractMultimapAsMapImplementsMapTest {
  private static final Predicate<Entry<String, Integer>> PREDICATE =

    return Sets.newTreeSet(contents);
  }

  @Override
  NavigableSet<Integer> filter(
      NavigableSet<Integer> elements, Predicate<? super Integer> predicate) {
    return Sets.filter(elements, predicate);
  }

    return newHashSet(contents);
  }

  @Override
  Set<Integer> filter(Set<Integer> elements, Predicate<? super Integer> predicate) {
    return Sets.filter(elements, predicate);
  }

    List<String> list = newArrayList();
    Predicate<String> predicate = equalTo("pants");

    assertFalse(any(list, predicate));
    list.add("cool");
    assertFalse(any(list, predicate));
    list.add("pants");
    assertTrue(any(list, predicate));
  }

  public void testAll() {
    List<String> list = newArrayList();
    Predicate<String> predicate = equalTo("cool");

    this.unfiltered = checkNotNull(unfiltered);
    this.predicate = checkNotNull(predicate);
  }

  @Override
  public Multimap<K, V> unfiltered() {
    return unfiltered;
  }

  @Override
  public Predicate<? super Entry<K, V>> entryPredicate() {
    return predicate;
  }

  @Override
  public int size() {
    return entries().size();
  }

  }

  /**
   * Waits until the given predicate returns true, invoking the garbage collector as necessary to
   * try to ensure that this will happen.
   *
   * @throws RuntimeException if timed out or interrupted while waiting
   */
  @SuppressWarnings("removal") // b/260137033
  public static void awaitDone(FinalizationPredicate predicate) {
    if (predicate.isDone()) {
      return;
    }