putEntries(map, entries);
                    map.putAll(ENTRIES_TO_FILTER);
                    return Maps.filterKeys(map, FILTER_KEYS);
                  }
                })
            .named("Maps.filterKeys[Map, Predicate]")
            .withFeatures(
                MapFeature.ALLOWS_NULL_KEYS,
                MapFeature.ALLOWS_NULL_VALUES,

                    multimap =
                        Multimaps.filterKeys(multimap, Predicates.not(Predicates.equalTo("foo")));
                    return Multimaps.filterKeys(
                        multimap, Predicates.not(Predicates.equalTo("bar")));
                  }
                })
            .named("Multimaps.filterKeys[Multimaps.filterKeys[ListMultimap], Predicate]")
            .withFeatures(

                    multimap =
                        Multimaps.filterKeys(multimap, Predicates.not(Predicates.equalTo("foo")));
                    return Multimaps.filterKeys(
                        multimap, Predicates.not(Predicates.equalTo("bar")));
                  }
                })
            .named("Multimaps.filterKeys[Multimaps.filterKeys[ListMultimap], Predicate]")
            .withFeatures(

                    putEntries(map, entries);
                    map.putAll(ENTRIES_TO_FILTER);
                    return Maps.filterKeys(map, FILTER_KEYS);
                  }
                })
            .named("Maps.filterKeys[Map, Predicate]")
            .withFeatures(
                MapFeature.ALLOWS_NULL_KEYS,
                MapFeature.ALLOWS_NULL_VALUES,

          throw new TimeoutException(
              "Timeout waiting for the services to become healthy. The "
                  + "following services have not started: "
                  + Multimaps.filterKeys(servicesByState, in(ImmutableSet.of(NEW, STARTING))));
        }
        checkHealthy();
      } finally {
        monitor.leave();
      }
    }

    void awaitStopped() {

    multimap.put("foo", 1);
    multimap.put("bar", 2);
    multimap.put("baz", 3);
    multimap.put("bar", 4);

    SetMultimap<String, Integer> filtered =
        Multimaps.filterKeys(multimap, Predicates.in(ImmutableSet.of("foo", "bar")));

    assertEquals(ImmutableSet.of(), filtered.replaceValues("baz", ImmutableSet.<Integer>of()));

    try {

    multimap.put("foo", 1);
    multimap.put("bar", 2);
    multimap.put("baz", 3);
    multimap.put("bar", 4);

    SetMultimap<String, Integer> filtered =
        Multimaps.filterKeys(multimap, Predicates.in(ImmutableSet.of("foo", "bar")));

    assertEquals(ImmutableSet.of(), filtered.replaceValues("baz", ImmutableSet.<Integer>of()));

    try {

              }
            }));
    assertEquals(newArrayList("a", "c", "e"), list);
  }

  // The Maps returned by Maps.filterEntries(), Maps.filterKeys(), and
  // Maps.filterValues() are not tested with removeIf() since Maps are not
  // Iterable.  Those returned by Iterators.filter() and Iterables.filter()
  // are not tested because they are unmodifiable.

              }
            }));
    assertEquals(newArrayList("a", "c", "e"), list);
  }

  // The Maps returned by Maps.filterEntries(), Maps.filterKeys(), and
  // Maps.filterValues() are not tested with removeIf() since Maps are not
  // Iterable.  Those returned by Iterators.filter() and Iterables.filter()
  // are not tested because they are unmodifiable.