assertTrue(ArbitraryInstances.get(TreeSet.class).isEmpty());
    assertTrue(ArbitraryInstances.get(TreeMap.class).isEmpty());
    assertFreshInstanceReturned(
        LinkedList.class,
        Deque.class,
        Queue.class,
        PriorityQueue.class,
        BitSet.class,
        TreeSet.class,
        TreeMap.class);
  }

  public void testGet_misc() {

import com.google.common.base.Preconditions;
import java.util.Collection;
import java.util.Comparator;
import java.util.EnumMap;
import java.util.EnumSet;
import java.util.LinkedHashMap;
import java.util.TreeMap;
import java.util.function.BinaryOperator;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.function.ToIntFunction;
import java.util.stream.Collector;

import java.util.Optional;
import java.util.OptionalDouble;
import java.util.OptionalInt;
import java.util.OptionalLong;
import java.util.Set;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.TimeUnit;
import java.util.regex.MatchResult;
import java.util.regex.Pattern;
import junit.framework.TestCase;

import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import java.util.regex.MatchResult;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Checks adoc files for broken links.
 */
@CacheableTask

   *
   * @return a new, empty {@code TreeMap}
   */
  @SuppressWarnings("rawtypes") // https://github.com/google/guava/issues/989
  public static <K extends Comparable, V extends @Nullable Object> TreeMap<K, V> newTreeMap() {
    return new TreeMap<>();
  }

  /**
   * Creates a <i>mutable</i> {@code TreeMap} instance with the same mappings as the specified map
   * and using the same ordering as the specified map.

 *  limitations under the License.
 */

package okhttp3

import java.time.Instant
import java.util.Collections
import java.util.Date
import java.util.Locale
import java.util.TreeMap
import java.util.TreeSet
import okhttp3.internal.commonAdd
import okhttp3.internal.commonAddAll
import okhttp3.internal.commonAddLenient
import okhttp3.internal.commonBuild
import okhttp3.internal.commonEquals

import java.util.Iterator;
import java.util.Map.Entry;
import java.util.NavigableMap;
import java.util.NoSuchElementException;
import java.util.Set;
import java.util.TreeMap;
import javax.annotation.CheckForNull;

/**
 * An implementation of {@link RangeSet} backed by a {@link TreeMap}.
 *
 * @author Louis Wasserman
 * @since 14.0
 */
@GwtIncompatible // uses NavigableMap
@ElementTypesAreNonnullByDefault

import com.google.common.base.Preconditions;
import java.util.Collection;
import java.util.Comparator;
import java.util.EnumMap;
import java.util.EnumSet;
import java.util.LinkedHashMap;
import java.util.TreeMap;
import java.util.function.BinaryOperator;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.function.ToIntFunction;
import java.util.stream.Collector;

import java.util.Map;
import java.util.Map.Entry;
import java.util.NavigableMap;
import java.util.NavigableSet;
import java.util.Set;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.TimeUnit;
import java.util.regex.MatchResult;
import java.util.regex.Pattern;
import junit.framework.TestCase;

import com.google.j2objc.annotations.J2ObjCIncompatible;
import java.io.IOException;
import java.io.Serializable;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.TreeMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.junit.Test;

/**