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

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

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

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

    return new Joiner(this) {
      @Override
      CharSequence toString(@Nullable Object part) {
        return (part == null) ? nullText : Joiner.this.toString(part);
      }

      @Override
      public Joiner useForNull(String nullText) {
        throw new UnsupportedOperationException("already specified useForNull");
      }

      @Override
      public Joiner skipNulls() {

    public void omitForCycle(Artifact omitted) {}

    @Override
    public void updateScopeCurrentPom(Artifact artifact, String scope) {}

    @Override
    public void updateScope(Artifact artifact, String scope) {}

    @Override
    public void manageArtifact(Artifact artifact, Artifact replacement) {}

    @Override
    public void selectVersionFromRange(Artifact artifact) {}

    @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;
    }

        super(tableDbName);
    }

    @Override
    public void lockForUpdate() {
    }

    @Override
    public DBWay dbway() {
        return null;
    }

    @Override
    protected void doFetchFirst() {
    }

    @Override
    protected void doFetchPage() {
    }

    @Override
    protected void doClearFetchPageClause() {
    }

    @Override
    protected String createSelectHint() {

    private FessTimeResourceProvider provider;
    private FessConfig mockConfig;

    @Override
    public void setUp() throws Exception {
        super.setUp();

        // Create FessConfig mock
        mockConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getTimeAdjustTimeMillis() {
                return "0";
            }

        }

        @Override
        public long createTime() {
            return 0L;
        }

        @Override
        public long lastModified() {
            return 0L;
        }

        @Override
        public long length() {
            return 0L;
        }

        @Override
        public String toString() {

        }
    }

    @Override
    public boolean isMerged() {
        return merged;
    }

    @Override
    public String getGroupId() {
        return emptify(metadata.getGroupId());
    }

    @Override
    public String getArtifactId() {
        return metadata.storedInGroupDirectory() ? "" : emptify(metadata.getArtifactId());
    }

    @Override
    public String getVersion() {

      this.generator = oneSizeTestContainerGenerator;
    }

    @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);
    }

public class SetGenerators {

  public static class ImmutableSetCopyOfGenerator extends TestStringSetGenerator {
    @Override
    protected Set<String> create(String[] elements) {
      return ImmutableSet.copyOf(elements);
    }
  }

  public static class ImmutableSetUnsizedBuilderGenerator extends TestStringSetGenerator {
    @Override
    protected Set<String> create(String[] elements) {