public int compare(Entry<AnEnum, String> left, Entry<AnEnum, String> right) {
          return left.getKey().compareTo(right.getKey());
        }
      }.sortedCopy(insertionOrder);
    }
  }

  public static class ImmutableMapValuesAsSingletonSetGenerator
      implements TestMapGenerator<String, Collection<Integer>> {

    @Override
    public SampleElements<Entry<String, Collection<Integer>>> samples() {

    @Override
    public MavenMetadata setPath(Path path) {
        return new LocalSnapshotMetadata(metadata, path, timestamp);
    }

    public Object getKey() {
        return getGroupId() + ':' + getArtifactId() + ':' + getVersion();
    }

    public static Object getKey(Artifact artifact) {
        return artifact.getGroupId() + ':' + artifact.getArtifactId() + ':' + artifact.getBaseVersion();
    }

    @Override

        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);

    @Override
    public void configure(Binder binder) {
        if (plugin.getKey() != null) {
            XmlNode configuration = plugin.getConfiguration();
            if (configuration == null) {
                configuration = XmlNode.newInstance("configuration");
            }
            binder.bind(XmlNode.class)
                    .annotatedWith(Names.named(plugin.getKey()))
                    .toInstance(configuration);

            phases.put(e.getKey(), e.getValue().toString());
        }
        return phases;
    }

    @Deprecated
    public void setPhases(Map<String, String> phases) {
        Map<String, LifecyclePhase> lphases = new LinkedHashMap<>();
        for (Map.Entry<String, String> e : phases.entrySet()) {
            lphases.put(e.getKey(), new LifecyclePhase(e.getValue()));
        }

    RangeMapEntry(Range<K> range, V value) {
      super(range, value);
    }

    boolean contains(K value) {
      return getKey().contains(value);
    }

    Cut<K> getLowerBound() {
      return getKey().lowerBound;
    }

    Cut<K> getUpperBound() {
      return getKey().upperBound;
    }
  }

  @Override
  public @Nullable V get(K key) {
    Entry<Range<K>, V> entry = getEntry(key);

        return blackListedProjects.contains(BuilderCommon.getKey(project));
    }

    public void blackList(MavenProject project) {
        if (blackListedProjects.add(BuilderCommon.getKey(project)) && projectDependencyGraph != null) {
            for (MavenProject downstreamProject : projectDependencyGraph.getDownstreamProjects(project, true)) {
                blackListedProjects.add(BuilderCommon.getKey(downstreamProject));
            }
        }

            when(mockReferralData.getKey()).thenReturn(key);
            doNothing().when(mockReferralData).setKey(key);

            mockReferralData.setKey(key);
            String retrievedKey = mockReferralData.getKey();

            assertEquals(key, retrievedKey);
            verify(mockReferralData, times(1)).setKey(key);
            verify(mockReferralData, times(1)).getKey();

            binder.bind(XmlNode.class)
                    .annotatedWith(Names.named(extension.getKey()))
                    .toInstance(configuration);
            binder.bind(PlexusConfiguration.class)
                    .annotatedWith(Names.named(extension.getKey()))
                    .toInstance(XmlPlexusConfiguration.toPlexusConfiguration(configuration));
        }
    }

                    BiMap<String, String> bimap = HashBiMap.create(entries.length);
                    for (Entry<String, String> entry : entries) {
                      checkArgument(!bimap.containsKey(entry.getKey()));
                      bimap.put(entry.getKey(), entry.getValue());
                    }
                    return Maps.unmodifiableBiMap(bimap);
                  }
                })
            .named("unmodifiableBiMap[HashBiMap]")