}

    @Override
    public String getPrefix() {
        return prefix;
    }

    @Override
    public DefaultPluginPrefixRequest setPrefix(String prefix) {
        this.prefix = prefix;

        return this;
    }

    @Override
    public List<String> getPluginGroups() {
        return pluginGroups;
    }

    @Override

      this.delegate = delegate;
    }

    @Override
    protected Map<K, V> delegate() {
      return delegate;
    }

    @Override
    public Set<K> keySet() {
      return new ForwardingSet<K>() {
        @Override
        protected Set<K> delegate() {
          return delegate.keySet();
        }

        @Override
        public Iterator<K> iterator() {

            return closeCalled;
        }

        @Override
        public URLStreamHandler getUrlHandler() {
            return null; // Not relevant for AbstractCIFSContext tests
        }

        @Override
        public SidResolver getSIDResolver() {
            return null; // Not relevant for AbstractCIFSContext tests
        }

        @Override
        public DfsResolver getDfs() {

    return new Itr<E>() {
      @Override
      @ParametricNullness
      E result(int entryIndex) {
        return backingMap.getKey(entryIndex);
      }
    };
  }

  @Override
  final Iterator<Entry<E>> entryIterator() {
    return new Itr<Entry<E>>() {
      @Override
      Entry<E> result(int entryIndex) {
        return backingMap.getEntry(entryIndex);
      }
    };
  }

    }

    @Override
    String getKeyRole() {
      return "Column";
    }

    @Override
    Map<R, @Nullable V> getValue(int index) {
      return new Column(index);
    }

    @Override
    Map<R, @Nullable V> setValue(int index, Map<R, @Nullable V> newValue) {
      throw new UnsupportedOperationException();
    }

    @Override

    @Override
    public String getProjectName() {
        return null;
    }

    @Override
    public String getProjectPrefix() {
        return null;
    }

    @Override
    public String getGenerationGapBasePrefix() {
        return null;
    }

    @Override
    public DBDef getCurrentDBDef() {
        return null;
    }

    @Override
    protected Map<String, String> create(Entry<String, String>[] entries) {
      return ImmutableMap.copyOf(asList(entries));
    }
  }

  public static class ImmutableMapUnhashableValuesGenerator
      extends TestUnhashableCollectionGenerator<Collection<UnhashableObject>> {

    @Override

            return new CharSequence() {

                @Override
                public String toString() {
                    return name;
                }

                @Override
                public char charAt(final int index) {
                    return name.charAt(index);
                }

                @Override
                public int length() {

      this.hash = hash;
    }

    @Override
    public int bits() {
      return 32;
    }

    @Override
    public byte[] asBytes() {
      return new byte[] {(byte) hash, (byte) (hash >> 8), (byte) (hash >> 16), (byte) (hash >> 24)};
    }

    @Override
    public int asInt() {
      return hash;
    }

    @Override
    public long asLong() {

    }

    @Override
    public Artifact getArtifact() {
        return artifact;
    }

    @Override
    public DefaultMetadataResolutionRequest setArtifact(Artifact artifact) {
        this.artifact = artifact;

        return this;
    }

    @Override
    public ArtifactRepository getLocalRepository() {