import com.google.common.collect.testing.SampleElements;
import java.util.Collection;
import java.util.List;
import java.util.Map.Entry;

/**
 * A skeleton generator for a {@code ListMultimap} implementation.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestStringListMultimapGenerator
    implements TestListMultimapGenerator<String, String> {

import com.google.common.collect.testing.SampleElements;
import java.util.Collection;
import java.util.List;
import java.util.Map.Entry;

/**
 * A skeleton generator for a {@code SetMultimap} implementation.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestStringSetMultimapGenerator
    implements TestSetMultimapGenerator<String, String> {

import com.google.common.collect.BiMap;
import com.google.common.collect.testing.Helpers;
import com.google.common.collect.testing.SampleElements;
import java.util.List;
import java.util.Map.Entry;

/**
 * Implementation helper for {@link TestBiMapGenerator} for use with bimaps of strings.
 *
 * @author Chris Povirk
 * @author Jared Levy
 * @author George van den Driessche
 * @author Louis Wasserman
 */
@GwtCompatible

import java.util.Collections;
import java.util.Comparator;
import java.util.SortedSet;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Implementation of {@link Multisets#unmodifiableSortedMultiset(SortedMultiset)} for GWT.
 *
 * @author Louis Wasserman
 */
@ElementTypesAreNonnullByDefault

import com.google.common.collect.BiMap;
import com.google.common.collect.testing.Helpers;
import com.google.common.collect.testing.SampleElements;
import java.util.List;
import java.util.Map.Entry;

/**
 * Implementation helper for {@link TestBiMapGenerator} for use with bimaps of strings.
 *
 * @author Chris Povirk
 * @author Jared Levy
 * @author George van den Driessche
 * @author Louis Wasserman
 */
@GwtCompatible

import com.google.common.collect.testing.SampleElements;
import java.util.Collection;
import java.util.List;
import java.util.Map.Entry;

/**
 * A skeleton generator for a {@code SetMultimap} implementation.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestStringSetMultimapGenerator
    implements TestSetMultimapGenerator<String, String> {

import java.util.HashSet;
import java.util.List;
import java.util.Set;
import junit.framework.TestSuite;

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests a List
 * implementation.
 *
 * @author George van den Driessche
 */
@GwtIncompatible
public final class ListTestSuiteBuilder<E>
    extends AbstractCollectionTestSuiteBuilder<ListTestSuiteBuilder<E>, E> {

   * value of list or collection but not both.
   */
  protected final List<E> getList() {
    return (List<E>) collection;
  }

  /**
   * {@inheritDoc}
   *
   * <p>The {@code AbstractListTester} implementation overrides {@link
   * AbstractCollectionTester#expectContents(Collection)} to verify that the order of the elements
   * in the list under test matches what is expected.
   */
  @Override

@ElementTypesAreNonnullByDefault
public interface Supplier<T extends @Nullable Object> {
  /**
   * Retrieves an instance of the appropriate type. The returned object may or may not be a new
   * instance, depending on the implementation.
   *
   * @return an instance of the appropriate type
   */
  @ParametricNullness
  T get();

import java.util.NavigableMap;
import java.util.SortedMap;
import junit.framework.TestSuite;

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests a NavigableMap
 * implementation.
 */
@GwtIncompatible
public class NavigableMapTestSuiteBuilder<K, V> extends SortedMapTestSuiteBuilder<K, V> {
  public static <K, V> NavigableMapTestSuiteBuilder<K, V> using(