import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.google.MultisetTestSuiteBuilder;
import com.google.common.collect.testing.google.TestStringMultisetGenerator;
import com.google.common.collect.testing.google.UnmodifiableCollectionTests;
import com.google.common.testing.EqualsTester;

 * SortedMultiset} implementation.
 *
 * <p><b>Warning:</b> expects that {@code E} is a String.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible
public class SortedMultisetTestSuiteBuilder<E> extends MultisetTestSuiteBuilder<E> {
  public static <E> SortedMultisetTestSuiteBuilder<E> using(TestMultisetGenerator<E> generator) {
    SortedMultisetTestSuiteBuilder<E> result = new SortedMultisetTestSuiteBuilder<>();

    }
  }

  TestSuite computeKeysTestSuite(
      FeatureSpecificTestSuiteBuilder<?, ? extends OneSizeTestContainerGenerator<M, Entry<K, V>>>
          parentBuilder) {
    return MultisetTestSuiteBuilder.using(
            new KeysGenerator<K, V, M>(parentBuilder.getSubjectGenerator()))
        .withFeatures(computeKeysFeatures(parentBuilder.getFeatures()))
        .named(parentBuilder.getName() + ".keys")