// suffixSaver is an io.Writer & io.ReaderAt that remembers the last 0
// to 'keep' bytes of data written to it. Call Suffix to get the
// suffix bytes.
type suffixSaver struct {
	keep  int
	buf   []byte
	start int
	size  int64
}

func (ss *suffixSaver) Size() int64 { return ss.size }

var errDiscardedBytes = errors.New("ReadAt of discarded bytes")

func (ss *suffixSaver) ReadAt(p []byte, off int64) (n int, err error) {

  private val readCompleteLatch = CountDownLatch(1)

  // The lists are held as a large array of UTF-8 bytes. This is to avoid allocating lots of strings
  // that will likely never be used. Each rule is separated by '\n'. Please see the
  // PublicSuffixListGenerator class for how these lists are generated.
  // Guarded by this.
  override lateinit var bytes: ByteString
  override lateinit var exceptionBytes: ByteString

@NullUnmarked
public final class TestByteSource extends ByteSource implements TestStreamSupplier {

  private final byte[] bytes;
  private final ImmutableSet<TestOption> options;

  private boolean inputStreamOpened;
  private boolean inputStreamClosed;

  TestByteSource(byte[] bytes, TestOption... options) {
    this.bytes = checkNotNull(bytes);
    this.options = ImmutableSet.copyOf(options);
  }

  @Override

@NullUnmarked
public final class TestByteSource extends ByteSource implements TestStreamSupplier {

  private final byte[] bytes;
  private final ImmutableSet<TestOption> options;

  private boolean inputStreamOpened;
  private boolean inputStreamClosed;

  TestByteSource(byte[] bytes, TestOption... options) {
    this.bytes = checkNotNull(bytes);
    this.options = ImmutableSet.copyOf(options);
  }

  @Override

	var buf bytes.Buffer
	buf.WriteString(xxml.Header)
	if err := xxml.NewEncoder(&buf).Encode(response); err != nil {
		bugLogIf(GlobalContext, err)
		return nil
	}
	return buf.Bytes()
}

// Encodes the response headers into JSON format.
func encodeResponseJSON(response any) []byte {
	var bytesBuffer bytes.Buffer
	e := json.NewEncoder(&bytesBuffer)
	e.Encode(response)
	return bytesBuffer.Bytes()
}

    /**
     * Creates the NTLM2 response for the supplied information.
     *
     * @param nTOWFv1 the NTOWFv1 hash
     * @param serverChallenge the server challenge bytes
     * @param clientChallenge the client challenge bytes
     * @return the NTLM2 response bytes
     */
    public static byte[] getNTLM2Response(final byte[] nTOWFv1, final byte[] serverChallenge, final byte[] clientChallenge) {

        return read(b, 0, b.length);
    }

    /**
     * Reads up to len bytes from the file into the specified byte array.
     *
     * @param b the byte array to read data into
     * @param off the offset in the array at which to start storing bytes
     * @param len the maximum number of bytes to read
     * @return the number of bytes read, or -1 if end of file is reached
     * @throws SmbException if an I/O error occurs

    }

    @CanIgnoreReturnValue
    @Override
    public Hasher putBytes(byte[] bytes, int off, int len) {
      checkPositionIndexes(off, off + len, bytes.length);
      int i;
      for (i = 0; i + 4 <= len; i += 4) {
        update(4, getIntLittleEndian(bytes, off + i));
      }
      for (; i < len; i++) {
        putByte(bytes[off + i]);
      }
      return this;
    }

    @CanIgnoreReturnValue

      if (type == TYPE_A || type == TYPE_AAAA) {
        val bytes = ByteArray(length)
        buf.read(bytes)
        result.add(InetAddress.getByAddress(bytes))
      } else {
        buf.skip(length.toLong())
      }
    }

    return result
  }

  @Throws(EOFException::class)
  private fun skipName(source: Buffer) {
    // 0 - 63 bytes
    var length = source.readByte().toInt()

		}
		if err == nil && test.shouldFail {
			t.Errorf("Test %d: should fail but it passed", i)
		}
		if err == nil {
			if content := writer.Bytes(); !bytes.Equal(content, data[test.offset:test.offset+test.length]) {
				t.Errorf("Test %d: read returns wrong file content.", i)
			}
		}

		for i, r := range bitrotReaders {
			if r == nil {
				disks[i] = OfflineDisk
			}
		}