List<String> unfiltered = new ArrayList<>();
                unfiltered.add("yyy");
                unfiltered.addAll(ImmutableList.copyOf(elements));
                unfiltered.add("zzz");
                unfiltered.add("abc");
                return Collections2.filter(Collections2.filter(unfiltered, LENGTH_1), NOT_YYY_ZZZ);
              }
            })

  final Multimap<K, V> unfiltered;
  final Predicate<? super Entry<K, V>> predicate;

  FilteredEntryMultimap(Multimap<K, V> unfiltered, Predicate<? super Entry<K, V>> predicate) {
    this.unfiltered = checkNotNull(unfiltered);
    this.predicate = checkNotNull(predicate);
  }

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

  @Override

        for (int i = 0; i < 10; i++) {
          assertEquals(unfiltered.lower(i), filtered.lower(i));
          assertEquals(unfiltered.floor(i), filtered.floor(i));
          assertEquals(unfiltered.ceiling(i), filtered.ceiling(i));
          assertEquals(unfiltered.higher(i), filtered.higher(i));
        }
      }
    }
  }

  private FilteredCollectionsTestUtil() {}

  final Multimap<K, V> unfiltered;
  final Predicate<? super Entry<K, V>> predicate;

  FilteredEntryMultimap(Multimap<K, V> unfiltered, Predicate<? super Entry<K, V>> predicate) {
    this.unfiltered = checkNotNull(unfiltered);
    this.predicate = checkNotNull(predicate);
  }

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

  @Override

                Set<String> unfiltered = new LinkedHashSet<>();
                unfiltered.add("yyy");
                unfiltered.addAll(ImmutableList.copyOf(elements));
                unfiltered.add("zzz");
                unfiltered.add("abc");
                return Sets.filter(
                    Sets.filter(unfiltered, Collections2Test.LENGTH_1),
                    Collections2Test.NOT_YYY_ZZZ);

   * }
   */
  @SuppressWarnings("unchecked")
  @GwtIncompatible // Class.isInstance
  public static <T> Iterable<T> filter(Iterable<?> unfiltered, Class<T> desiredType) {
    checkNotNull(unfiltered);
    checkNotNull(desiredType);
    return (Iterable<T>) filter(unfiltered, Predicates.instanceOf(desiredType));
  }

  /**
   * Returns {@code true} if any element in {@code iterable} satisfies the predicate.
   *

   * }
   */
  @SuppressWarnings("unchecked")
  @GwtIncompatible // Class.isInstance
  public static <T> Iterable<T> filter(Iterable<?> unfiltered, Class<T> desiredType) {
    checkNotNull(unfiltered);
    checkNotNull(desiredType);
    return (Iterable<T>) filter(unfiltered, Predicates.instanceOf(desiredType));
  }

  /**
   * Returns {@code true} if any element in {@code iterable} satisfies the predicate.
   *

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void filtered(FilteredCall<ElevateWordToLabelCQ, ElevateWordToLabelCQ> filteredLambda) {
        filtered(filteredLambda, null);
    }

    public void filtered(FilteredCall<ElevateWordToLabelCQ, ElevateWordToLabelCQ> filteredLambda,
            ConditionOptionCall<BoolQueryBuilder> opLambda) {

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void filtered(FilteredCall<RoleCQ, RoleCQ> filteredLambda) {
        filtered(filteredLambda, null);
    }

    public void filtered(FilteredCall<RoleCQ, RoleCQ> filteredLambda, ConditionOptionCall<BoolQueryBuilder> opLambda) {
        bool((must, should, mustNot, filter) -> {

  }

  private TestSuite filterSuite(TestSuite suite) {
    TestSuite filtered = new TestSuite(suite.getName());
    Enumeration<?> tests = suite.tests();
    while (tests.hasMoreElements()) {
      Test test = (Test) tests.nextElement();
      if (matches(test)) {
        filtered.addTest(test);
      }
    }
    return filtered;
  }