*
 * ```kotlin
 * val response: Response = call.execute()
 * val multipartReader = MultipartReader(response.body!!)
 *
 * multipartReader.use {
 *   while (true) {
 *     val part = multipartReader.nextPart() ?: break
 *     process(part.headers, part.body)
 *   }
 * }
 * ```
 *
 * Note that [nextPart] will skip any unprocessed data from the preceding part. If the preceding

		if err != nil {
			cr.err = err
			return n, cr.err
		}
		if b == '\r' { // \r\n denotes end of size.
			err := mustRead('\n')
			if err != nil {
				cr.err = err
				return n, cr.err
			}
			break
		}

		// Manually deserialize the size since AWS specified
		// the chunk size to be of variable width. In particular,
		// a size of 16 is encoded as `10` while a size of 64 KB
		// is `10000`.
		switch {

    int indexToDifferAt = -1;
    switch (whereToDiffer) {
      case ONE_PERCENT_IN:
        indexToDifferAt = (int) (size * 0.01);
        break;
      case LAST_BYTE:
        indexToDifferAt = size - 1;
        break;
      case NOT_AT_ALL:
    }
    if (indexToDifferAt != -1) {
      testBytesA[indexToDifferAt] = (byte) (testBytesB[indexToDifferAt] - 1);
    }
  }

                case NbtException.NOT_LISTENING_CALLED:
                    socket.close();
                    break;
                default:
                    disconnect(true);
                    throw new NbtException(NbtException.ERR_SSN_SRVC, errorCode);
                }
                break;
            case -1:
                disconnect(true);

            case '\n':
                eol = true;
                break;
            case '\r':
                eol = true;
                final long cur = fp;
                if (read() != '\n') {
                    fp = cur;
                }
                break;
            default:
                input.append((char) c);
                break;
            }
        }

            if (ch != -1) {
                ch = readCharFromBuffer();
            }
            if (ch == -1) {
                break;
            } else if (!isDelimiter(ch)) {
                block.append((char) ch);
            } else if (block.length() > 0) {
                break;
            } else {
                blkStart++;
            }
        }
        if (block.length() == 0) {

    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

  /** Reads headers or trailers. */
  fun readHeaders(): Headers {
    val result = Headers.Builder()
    while (true) {
      val line = readLine()
      if (line.isEmpty()) break
      result.addLenient(line)
    }
    return result.build()
  }

			// Reached EOF, nothing more to be done.
			break
		}

		// We take care of the situation where if n == 0 and total == 0 by creating empty data and parity files.
		blocks, err = e.EncodeData(ctx, buf[:n])
		if err != nil {
			return 0, err
		}

		if err = writer.Write(ctx, blocks); err != nil {
			return 0, err
		}

		total += int64(n)
		if eof {
			break
		}
	}
	return total, nil

	var (
		i         int
		failAfter = 900
		mockData  = byte(32)
	)

	r := newMockReader(failAfter, mockData)
	scanner := newScanner(r)

	for i < 1000 {
		c := scanner.next()
		if c == byte(0) {
			break
		}
		if c != mockData {
			t.Fatalf("expected \"%s\", got \"%s\"", string(mockData), string(c))
		}
		i++
	}
	c := scanner.next()
	if scanner.readerErr == nil {

            this.signingKey = sessionKey.clone();
            break;
        case Smb2Constants.SMB2_DIALECT_0300:
        case Smb2Constants.SMB2_DIALECT_0302:
            this.signingKey = Smb3KeyDerivation.deriveSigningKey(dialect, sessionKey, new byte[0] /* unimplemented */);
            this.algorithmName = "AESCMAC";
            this.provider = Crypto.getProvider();
            break;
        case Smb2Constants.SMB2_DIALECT_0311: