// Other tests will verify what real, warning-free usage looks like
                  // but here we have to do some serious fudging
                  @Override
                  @SuppressWarnings({"unchecked", "rawtypes"})
                  public Map<TypeToken, Object> create(Object... elements) {
                    ImmutableTypeToInstanceMap.Builder<Object> builder =
                        ImmutableTypeToInstanceMap.builder();

   * By default, collection tests do run.
   */
  @CanIgnoreReturnValue
  public QueueTestSuiteBuilder<E> skipCollectionTests() {
    runCollectionTests = false;
    return this;
  }

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers = new ArrayList<>();
    if (runCollectionTests) {

public abstract class AbstractCollectionTestSuiteBuilder<
        B extends AbstractCollectionTestSuiteBuilder<B, E>, E>
    extends PerCollectionSizeTestSuiteBuilder<B, TestCollectionGenerator<E>, Collection<E>, E> {
  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    return Arrays.asList(
        CollectionAddAllTester.class,
        CollectionAddTester.class,

 * types, though their use may still require an explicit type parameter and/or warning suppression.
 *
 * @author Kevin Bourrillion
 */
@SuppressWarnings({"ComparableType", "rawtypes"}) // https://github.com/google/guava/issues/989
@GwtCompatible
@NullMarked
class LegacyComparable implements Comparable, Serializable {
  static final LegacyComparable X = new LegacyComparable("x");

import java.lang.annotation.RetentionPolicy;
import java.util.Map;
import java.util.Set;

/**
 * Optional features of classes derived from {@code Map}.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum MapFeature implements Feature<Map> {
  /**
   * The map does not throw {@code NullPointerException} on calls such as {@code containsKey(null)},

     * unable to do so.
     */
    static GetCheckedTypeValidator getBestValidator() {
      try {
        @SuppressWarnings("rawtypes") // class literals
        Class<? extends Enum> theClass =
            Class.forName(CLASS_VALUE_VALIDATOR_NAME).asSubclass(Enum.class);
        return (GetCheckedTypeValidator) theClass.getEnumConstants()[0];

        builder.put(entry.getKey(), value);
      }
      return builder.buildOrThrow().asMultimap().asMap();
    }

    @Override
    @SuppressWarnings({"unchecked", "rawtypes"}) // needed for arrays
    public Entry<String, Collection<Integer>>[] createArray(int length) {
      return new Entry[length];
    }

    @Override
    public Iterable<Entry<String, Collection<Integer>>> order(

import java.lang.annotation.RetentionPolicy;
import java.util.Set;

/**
 * Optional features of classes derived from {@code Set}.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum SetFeature implements Feature<Set> {
  GENERAL_PURPOSE(CollectionFeature.GENERAL_PURPOSE);

  private final Set<Feature<? super Set>> implied;

    addImpliedFeatures(features);

    logger.fine("Expanded: " + formatFeatureSet(features));

    @SuppressWarnings("rawtypes") // class literals
    List<Class<? extends AbstractTester>> testers = getTesters();

    TestSuite suite = new TestSuite(name);
    for (@SuppressWarnings("rawtypes") // class literals
    Class<? extends AbstractTester> testerClass : testers) {

import java.lang.annotation.RetentionPolicy;
import java.util.Set;

/**
 * Optional features of classes derived from {@code Set}.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum SetFeature implements Feature<Set> {
  GENERAL_PURPOSE(CollectionFeature.GENERAL_PURPOSE);

  private final Set<Feature<? super Set>> implied;