*
     * @param coordinates The {@link ArtifactCoordinates} identifying the artifact.
     * @return The corresponding {@link ResultItem}, or {@code null} if no result exists.
     */
    default ResultItem getResult(ArtifactCoordinates coordinates) {
        return getResults().get(coordinates);
    }

    /**
     * Represents an individual resolution result for an artifact.
     */
    interface ResultItem {

        final IndexResponse response = builder.execute().actionGet(indexTimeout);
        esEntity.asDocMeta().id(response.getId());
        return response.getResult() == Result.CREATED ? 1 : 0;
    }

    protected IndexRequestBuilder createInsertRequest(final EsAbstractEntity esEntity) {

    @Override
    public boolean processBytes(byte[] buf, int off, int len) {
      out.write(buf, off, len);
      return true;
    }

    @Override
    public byte[] getResult() {
      return out.toByteArray();
    }
  }

  public void testByteProcessorStopEarly() throws IOException {
    byte[] array = newPreFilledByteArray(10000);
    assertEquals(
        (Integer) 42,

          @Override
          public boolean processLine(String line) {
            collector.add(whitespace().trimFrom(line));
            return true;
          }

          @Override
          public List<String> getResult() {
            return collector;
          }
        };
    List<String> result = Resources.readLines(resource, US_ASCII, collectAndLowercaseAndTrim);
    assertEquals(3600, result.size());

        final IndexResponse response = builder.execute().actionGet(indexTimeout);
        esEntity.asDocMeta().id(response.getId());
        return response.getResult() == Result.CREATED ? 1 : 0;
    }

    protected IndexRequestBuilder createInsertRequest(final EsAbstractEntity esEntity) {

    @Override
    public boolean processBytes(byte[] buf, int off, int len) {
      out.write(buf, off, len);
      return true;
    }

    @Override
    public byte[] getResult() {
      return out.toByteArray();
    }
  }

  public void testByteProcessorStopEarly() throws IOException {
    byte[] array = newPreFilledByteArray(10000);
    assertEquals(
        (Integer) 42,

        return this.results;
    }

    /**
     * Sets the file entry results for the response
     * @param results
     *            the results to set
     */
    protected final void setResults(final FileEntry[] results) {
        this.results = results;
    }

    @Override
    public void reset() {
        super.reset();
        this.bufDataStart = 0;

                out.write(buf, off, len);
                return true;
              }

              @Override
              public byte[] getResult() {
                return out.toByteArray();
              }
            });

    assertExpectedBytes(readBytes);
  }

  public void testHash() throws IOException {

          @Override
          public boolean processLine(String line) {
            collector.add(whitespace().trimFrom(line));
            return true;
          }

          @Override
          public List<String> getResult() {
            return collector;
          }
        };
    List<String> result = Resources.readLines(resource, US_ASCII, collectAndLowercaseAndTrim);
    assertEquals(3600, result.size());

          @Override
          public boolean processLine(String line) {
            result.add(line);
            return true;
          }

          @Override
          public List<String> getResult() {
            return result;
          }
        });
  }

  /**
   * Copies all bytes from a URL to an output stream.
   *
   * @param from the URL to read from