assertThrows(IllegalArgumentException.class, () -> HashMultimap.create(-20, 15));

    assertThrows(IllegalArgumentException.class, () -> HashMultimap.create(20, -15));
  }

  public void testEmptyMultimapsEqual() {
    Multimap<String, Integer> setMultimap = HashMultimap.create();
    Multimap<String, Integer> listMultimap = ArrayListMultimap.create();
    assertTrue(setMultimap.equals(listMultimap));

    }

    @Override
    public SampleElements<Entry<K, V>> samples() {
      return generator.samples();
    }

    @Override
    public Map<K, V> create(Object... elements) {
      return generator.create(elements);
    }

    @Override
    public Entry<K, V>[] createArray(int length) {
      return generator.createArray(length);
    }

    @Override

    }

    /**
     * Returns the reasoning for the detected intent.
     *
     * @return the reasoning
     */
    public String getReasoning() {
        return reasoning;
    }

    /**
     * Creates a search intent result with a Fess query.
     *
     * @param query the Fess query string
     * @param reasoning the detection reasoning
     * @return the search intent result
     */

      "index" : {
        "creation_date" : "1509021053135",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "-gono3d2R0KP5po-ggBr0A",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_config.file_authentication"
      }
    }
  }

  public void testComparator() {
    assertThat(create().comparator()).isNotNull();
  }

  public void testCeilingEntry() {
    assertThat(create().ceilingEntry("a")).isNull();
  }

  public void testCeilingKey() {
    assertThat(create().ceilingKey("a")).isNull();
  }

  public void testDescendingKeySet() {
    NavigableMap<String, Integer> map = create();

          }
        },
        "creation_date" : "1509021053464",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "5fluDb3PStuKaHkl-5gdNw",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_config.file_config"
      }
    }
  }

    suite.addTest(
        QueueTestSuiteBuilder.using(
                new TestStringQueueGenerator() {
                  @Override
                  protected Queue<String> create(String[] elements) {
                    return MinMaxPriorityQueue.create(asList(elements));
                  }
                })
            .named("MinMaxPriorityQueue")
            .withFeatures(CollectionSize.ANY, CollectionFeature.GENERAL_PURPOSE)

        .addEqualityGroup(
            getMultiset(), getSubjectGenerator().create(getSampleElements().toArray()))
        .testEquals();
  }

  @CollectionSize.Require(absent = ZERO)
  public void testNotEqualsEmpty() {
    new EqualsTester()
        .addEqualityGroup(getMultiset())
        .addEqualityGroup(getSubjectGenerator().create())
        .testEquals();
  }

  public void testHashCodeMatchesEntrySet() {

          }
        },
        "creation_date" : "1509021055215",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "Zylt7BsVRhiOasQfUWBg0w",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_config.label_type"
      }
    }
  }

    suite.addTest(
        SortedMultisetTestSuiteBuilder.using(
                new TestStringMultisetGenerator() {
                  @Override
                  protected Multiset<String> create(String[] elements) {
                    return TreeMultiset.create(asList(elements));
                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {