int total = 0;
        for (byte[] a : arrays) {
            total += a.length;
        }
        byte[] res = new byte[total];
        int off = 0;
        for (byte[] a : arrays) {
            System.arraycopy(a, 0, res, off, a.length);
            off += a.length;
        }
        return res;
    }

    @Test
    @DisplayName("Read single bytes from stream with message packet")

        final byte[] xmlBytes = xml.getBytes();
        final byte[] dataWithBOM = new byte[bom.length + xmlBytes.length];
        System.arraycopy(bom, 0, dataWithBOM, 0, bom.length);
        System.arraycopy(xmlBytes, 0, dataWithBOM, bom.length, xmlBytes.length);

        final InputStream in = new ByteArrayInputStream(dataWithBOM);
        final SitemapSet sitemapSet = sitemapsHelper.parse(in);

                    }
                    final char[] newBuf = new char[newBufferSize];
                    System.arraycopy(buf, 0, newBuf, 0, bufferSize);
                    buf = newBuf;
                    bufferSize = newBufferSize;
                }
            }
            return new String(buf, 0, size);

            // Check path starts at byte 2
            byte[] expectedPathBytes = path.getBytes(StandardCharsets.UTF_16LE);
            byte[] actualPathBytes = new byte[expectedPathBytes.length];
            System.arraycopy(dst, 2, actualPathBytes, 0, expectedPathBytes.length);
            assertArrayEquals(expectedPathBytes, actualPathBytes);

            // Check null terminator at the end

                } else if (LogStream.level > 1) {
                    log.println("unknown resolver method: " + s);
                }
            }
            resolveOrder = new int[i];
            System.arraycopy(tmp, 0, resolveOrder, 0, i);
        }
    }

    static class Sem {
        Sem(final int count) {
            this.count = count;
        }

        int count;
    }

        retVal |= (bytes[i] & 0xFFL) << (i * 8);
      }
      return retVal;
    }

    @Override
    void writeBytesToImpl(byte[] dest, int offset, int maxLength) {
      System.arraycopy(bytes, 0, dest, offset, maxLength);
    }

    @Override
    byte[] getBytesInternal() {
      return bytes;
    }

    @Override
    boolean equalsSameBits(HashCode that) {

        retVal |= (bytes[i] & 0xFFL) << (i * 8);
      }
      return retVal;
    }

    @Override
    void writeBytesToImpl(byte[] dest, int offset, int maxLength) {
      System.arraycopy(bytes, 0, dest, offset, maxLength);
    }

    @Override
    byte[] getBytesInternal() {
      return bytes;
    }

    @Override
    boolean equalsSameBits(HashCode that) {

                e = i - 4;
                break;
            }
        }

        final StackTraceElement[] res = new StackTraceElement[e - s];
        System.arraycopy(stackTrace, s, res, 0, e - s);
        return res;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#finalize()
     */
    @Override

        final int len = bufferIndex - start;
        this.length = len;

        if (isRetainPayload()) {
            final byte[] payload = new byte[len];
            System.arraycopy(buffer, 4, payload, 0, len);
            setRawPayload(payload);
        }

        if (!verifySignature(buffer, 4, len)) {

    for (boolean[] array : arrays) {
      length += array.length;
    }
    boolean[] result = new boolean[checkNoOverflow(length)];
    int pos = 0;
    for (boolean[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

  private static int checkNoOverflow(long result) {
    checkArgument(
        result == (int) result,