String string = source.read();
    assertExpectedString(string);
  }

  public void testReadFirstLine() throws IOException {
    if (expectedLines.isEmpty()) {
      assertNull(source.readFirstLine());
    } else {
      assertEquals(expectedLines.get(0), source.readFirstLine());
    }
  }

  public void testReadLines_toList() throws IOException {
    assertExpectedLines(source.readLines());
  }

     * @throws RuntimeException If failed (and not due source not exists).
     */
    boolean get(@Nonnull URI relativeSource, @Nonnull Path target);

    /**
     * GETs the source URI content as byte array. The source MUST BE relative from the {@link RemoteRepository#getUrl()}
     * root.
     *
     * @return the byte array if operation succeeded, {@code null} if source does not exist.

        private final Source source;

        SourceWrapper(Source source) {
            this.source = source;
        }

        @Override
        public InputStream getInputStream() throws IOException {
            return source.openStream();
        }

        @Override
        public String getLocation() {
            return source.getLocation();
        }

        @Override

        // don't merge
    }

    @Override
    protected void mergeModel_Licenses(
            Model.Builder builder, Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeModel_MailingLists(

 */
internal class DerReader(source: Source) {
  private val countingSource: CountingSource = CountingSource(source)
  private val source: BufferedSource = countingSource.buffer()

  /** Total bytes read thus far. */
  private val byteCount: Long
    get() = countingSource.bytesRead - source.buffer.size

    }

    @Override
    public void put(Path source, URI relativeTarget) {
        requireNonNull(source, "source is null");
        requireNonNull(relativeTarget, "relativeTarget is null");
        if (Files.isRegularFile(source)) {
            throw new IllegalArgumentException("source file does not exist or is not a file");
        }
        if (relativeTarget.isAbsolute()) {

  }

  public void testContentEquals() throws IOException {
    assertTrue(source.contentEquals(source));
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());

    ByteSource equalSource = new TestByteSource(bytes);
    assertTrue(source.contentEquals(equalSource));
    assertTrue(new TestByteSource(bytes).contentEquals(source));

        return putMapping(indicesClient, index, null, source);
    }

    public static boolean putMapping(final IndicesAdminClient indicesClient, final String index, final String type, final String source) {
        try {
            final PutMappingRequestBuilder builder = indicesClient.preparePutMapping(index).setSource(source, XContentType.JSON);

        expect:
        parse(source) == transformed

        where:
        source         | transformed
        "<p>text"      | "<p>text</p>"
        "<ul><li>text" | "<ul><li>text</li></ul>"
    }

    def "adds implicit end of element"() {
        expect:
        parse(source) == transformed

        where:
        source                                    | transformed

      return responseBody.contentLength();
    }

    @Override public BufferedSource source() {
      if (bufferedSource == null) {
        bufferedSource = Okio.buffer(source(responseBody.source()));
      }
      return bufferedSource;
    }

    private Source source(Source source) {
      return new ForwardingSource(source) {
        long totalBytesRead = 0L;