//                                                                             =======
    @Override
    public ThumbnailQueueDbm asDBMeta() {
        return ThumbnailQueueDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "thumbnail_queue";
    }

            }

            @Nonnull
            @Override
            public ArtifactCoordinates getArtifactCoordinates() {
                return artifactCoordinates;
            }

            @Nullable
            @Override
            public List<RemoteRepository> getRepositories() {
                return repositories;
            }

            @Override
            public boolean equals(Object o) {

  private static final ListenerCallQueue.Event<Object> THROWING_EVENT =
      new ListenerCallQueue.Event<Object>() {
        @Override
        public void call(Object object) {
          throw new RuntimeException();
        }

        @Override
        public String toString() {
          return "throwing()";
        }
      };

  public void testEnqueueAndDispatch() {

  private static final ListenerCallQueue.Event<Object> THROWING_EVENT =
      new ListenerCallQueue.Event<Object>() {
        @Override
        public void call(Object object) {
          throw new RuntimeException();
        }

        @Override
        public String toString() {
          return "throwing()";
        }
      };

  public void testEnqueueAndDispatch() {

    }

    @Override
    public void reset() {
        super.reset();
        this.bufDataStart = 0;
        this.isPrimary = this.hasMore = true;
        this.parametersDone = this.dataDone = false;
    }

    @Override
    public boolean hasMoreElements() {
        return this.errorCode == 0 && this.hasMore;
    }

    @Override

    private static final NullWriter INSTANCE = new NullWriter();

    @Override
    public void write(int c) {}

    @Override
    public void write(char[] cbuf) {
      checkNotNull(cbuf);
    }

    @Override
    public void write(char[] cbuf, int off, int len) {
      checkPositionIndexes(off, off + len, cbuf.length);
    }

    @Override
    public void write(String str) {
      checkNotNull(str);

      new Runnable() {
        @Override
        public void run() {}
      };

  public void testDirectExecutorServiceServiceInThreadExecution() throws Exception {
    ListeningExecutorService executor = newDirectExecutorService();
    ThreadLocal<Integer> threadLocalCount =
        new ThreadLocal<Integer>() {
          @Override
          protected Integer initialValue() {
            return 0;

  @Override
  protected Map<String, Integer> makeEmptyMap() {
    return ImmutableBiMap.of();
  }

  @Override
  protected Map<String, Integer> makePopulatedMap() {
    return ImmutableBiMap.of("one", 1, "two", 2, "three", 3);
  }

  @Override
  protected String getKeyNotInPopulatedMap() {
    return "minus one";
  }

  @Override
  protected Integer getValueNotInPopulatedMap() {

    val source: Source =
      object : Source {
        var closed = false

        override fun close() {
          closed = true
        }

        override fun read(
          sink: Buffer,
          byteCount: Long,
        ): Long {
          check(!closed)
          return data.read(sink, byteCount)
        }

        override fun timeout(): Timeout = Timeout.NONE
      }

  protected TestMapEntrySetGenerator(SampleElements<K> keys, SampleElements<V> values) {
    this.keys = keys;
    this.values = values;
  }

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

  @Override
  public Set<Entry<K, V>> create(Object... elements) {
    Entry<K, V>[] entries = createArray(elements.length);