}

    @Override
    public synchronized void mark(final int readlimit) {
        inputStream.mark(readlimit);
    }

    @Override
    public boolean markSupported() {
        return inputStream.markSupported();
    }

    @Override
    public int read() throws IOException {
        return inputStream.read();
    }

    @Override

        }
    }

    @Override
    public synchronized void mark(final int readlimit) {
        fileInputStream.mark(readlimit);
    }

    @Override
    public boolean markSupported() {
        return fileInputStream.markSupported();
    }

    @Override
    public synchronized void reset() throws IOException {
        fileInputStream.reset();
    }

    @Override

    assertEquals(20, counter.getCount());
  }

  @SuppressWarnings("CheckReturnValue") // calling read() to skip a byte
  public void testMark() throws Exception {
    assertTrue(counter.markSupported());
    assertEquals(10, counter.read(new byte[10]));
    assertEquals(10, counter.getCount());
    counter.mark(5);
    counter.read();
    assertEquals(11, counter.getCount());
    counter.reset();

                    return mediaType.getType() + "/" + mediaType.getSubtype();
                }
            }

            final MediaType mediaType = mimeTypes.detect(is == null || is.markSupported() ? is : new BufferedInputStream(is), metadata);
            if (useFilenameOnOctetStream && MediaType.OCTET_STREAM.equals(mediaType)) {
                final MediaType mediaTypeFromFilename = mimeTypes.detect(null, metadata);

    in.mark(readlimit);
    mark = count;
    // it's okay to mark even if mark isn't supported, as reset won't work
  }

  @Override
  public synchronized void reset() throws IOException {
    if (!in.markSupported()) {
      throw new IOException("Mark not supported");
    }
    if (mark == -1) {
      throw new IOException("Mark not set");
    }

    in.reset();
    count = mark;
  }

        final StringBuilder buf = new StringBuilder(1000);

        try (final ArchiveInputStream ais =
                archiveStreamFactory.createArchiveInputStream(in.markSupported() ? in : new BufferedInputStream(in))) {
            ZipArchiveEntry entry = null;
            long contentSize = 0;
            while ((entry = (ZipArchiveEntry) ais.getNextEntry()) != null) {

    }
  }

  @Override
  public int available() throws IOException {
    if (in == null) {
      return 0;
    }
    return in.available();
  }

  @Override
  public boolean markSupported() {
    return false;
  }

  @Override
  public int read() throws IOException {
    while (in != null) {
      int result = in.read();
      if (result != -1) {
        return result;
      }

    ByteSource source = newByteSource(0, 10);
    ByteSource joined = ByteSource.concat(source, source);
    assertEquals(20, joined.size());
    InputStream in = joined.openStream();
    assertFalse(in.markSupported());
    assertEquals(10, in.available());
    int total = 0;
    while (in.read() != -1) {
      total++;
    }
    assertEquals(0, in.available());
    assertEquals(20, total);
  }

    ByteSource source = newByteSource(0, 10);
    ByteSource joined = ByteSource.concat(source, source);
    assertEquals(20, joined.size());
    InputStream in = joined.openStream();
    assertFalse(in.markSupported());
    assertEquals(10, in.available());
    int total = 0;
    while (in.read() != -1) {
      total++;
    }
    assertEquals(0, in.available());
    assertEquals(20, total);
  }

    return charsToSkip;
  }

  @Override
  public synchronized boolean ready() throws IOException {
    checkOpen();
    return true;
  }

  @Override
  public boolean markSupported() {
    return true;
  }

  @Override
  public synchronized void mark(int readAheadLimit) throws IOException {
    checkArgument(readAheadLimit >= 0, "readAheadLimit (%s) may not be negative", readAheadLimit);