public int compare(Entry<K, V> a, Entry<K, V> b) {
      return (keyComparator == null)
          ? ((Comparable) a.getKey()).compareTo(b.getKey())
          : keyComparator.compare(a.getKey(), b.getKey());
    }
  }

  public static <K extends @Nullable Object, V extends @Nullable Object>

        Entry<Object, Object> entry = warmed.get(i - WARMUP_MIN);
        assertThat(cache.asMap().containsKey(entry.getKey())).isTrue();
        assertThat(cache.asMap().containsValue(entry.getValue())).isTrue();
        // this getUnchecked() call shouldn't be a cache miss; verified below
        assertThat(cache.getUnchecked(entry.getKey())).isEqualTo(entry.getValue());
      }
      assertThat(cache.stats().missCount()).isEqualTo(WARMUP_SIZE);

            });
    List<Entry<K, V>> expectedEntries = new ArrayList<>();
    for (Entry<K, V> entry : getSampleEntries()) {
      int index = keys().asList().indexOf(entry.getKey());
      expectedEntries.add(mapEntry(entry.getKey(), values().asList().get(index + 1)));
    }
    expectContents(expectedEntries);
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionFeature.Require(KNOWN_ORDER)

    }

    abstract ImmutableMap<K, Integer> keyToIndex();

    // True if getValue never returns null.
    private boolean isFull() {
      return size == keyToIndex().size();
    }

    K getKey(int index) {
      return keyToIndex().keySet().asList().get(index);
    }

    abstract @Nullable V getValue(int keyIndex);

    @Override
    ImmutableSet<K> createKeySet() {

        return artifact.getArtifactId();
    }

    @Override
    public String getBaseVersion() {
        return artifact.getBaseVersion();
    }

    @Override
    public Object getKey() {
        return "snapshot " + artifact.getGroupId() + ":" + artifact.getArtifactId() + ":" + artifact.getBaseVersion();
    }

    @Override
    public boolean isSnapshot() {
        return artifact.isSnapshot();

        @Override
        public Object getKey() {
            return metadata.toString();
        }

        @Override
        public String getRemoteFilename() {
            return metadata.getType();
        }

        @Override
        public String getLocalFilename(ArtifactRepository repository) {
            return insertRepositoryKey(getRemoteFilename(), repository.getKey());
        }

                .stream()
                .filter(File::exists)
                .flatMap(testRoot -> walkPathAndLoadClasses(testRoot).entrySet().stream())
                .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
        }
        return testClassNames;
    }

    @Input
    public NamedDomainObjectContainer<TestingConventionRule> getNaming() {
        return naming;
    }

    @OutputFile

      ImmutableList.Builder<V> valuesBuilder = new ImmutableList.Builder<>(entries.size());
      for (int i = 0; i < entries.size(); i++) {
        Range<K> range = entries.get(i).getKey();
        if (i > 0) {
          Range<K> prevRange = entries.get(i - 1).getKey();
          if (range.isConnected(prevRange) && !range.intersection(prevRange).isEmpty()) {
            throw new IllegalArgumentException(

        put(entry.getKey(), entry.getValue());
      }
    }
  }

  @Override
  public void clear() {
    synchronized (lock) {
      if (removalListener != null) {
        for (Entry<K, Timestamped<V>> entry : cachingHashMap.entrySet()) {
          alertListenerIfPresent(
              entry.getKey(), entry.getValue().getValue(), RemovalCause.EXPLICIT);
        }

    Map<K, V> delegate = Maps.newLinkedHashMap();
    for (Entry<? extends K, ? extends V> entry : entries) {
      K key = checkNotNull(entry.getKey());
      V previous = delegate.put(key, checkNotNull(entry.getValue()));
      if (throwIfDuplicateKeys && previous != null) {
        throw new IllegalArgumentException("duplicate key: " + key);
      }
    }