* @return true if the crawling should continue, false otherwise.
     */
    protected boolean isContinue(final int tcCount) {
        if (!crawlerContainer.available()) {
            // system shutdown
            return false;
        }

        boolean isContinue = false;
        if (tcCount < crawlerContext.maxThreadCheckCount) {

        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)) {

        when(file1.getName()).thenReturn("document.pdf");
        when(file1.isDirectory()).thenReturn(false);
        when(file1.length()).thenReturn(2048L);
        when(file1.lastModified()).thenReturn(System.currentTimeMillis());

        SmbFile dir1 = mock(SmbFile.class);
        when(dir1.getName()).thenReturn("folder/");
        when(dir1.isDirectory()).thenReturn(true);

                buf.append('\t').append("error:").append(escapeValue(e.getLocalizedMessage()).replaceAll("\\s", " "));
                log(buf);
            }
        });
    }

    /**
     * Gets the current system time in milliseconds.
     *
     * @return current time in milliseconds
     */
    protected long getCurrentTimeMillis() {
        return ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
    }

    // WARMUP_MAX), but the tests assume no values get evicted. Even with a maximumSize of 100, one
    // of the values gets evicted. With weak keys, we use identity equality, which means using
    // System.identityHashCode, which means the assignment of keys to segments is nondeterministic,
    // so more than (maximumSize / #segments) keys could get assigned to the same segment, which
    // would cause one to be evicted.

     *
     * <p>If the user did not specify any excludes, the default is often files generated
     * by Source Code Management (<abbr>SCM</abbr>) software or by the operating system.
     * Examples: <code>"**&sol;.gitignore"</code>, <code>"**&sol;.DS_Store"</code>.</p>
     *
     * @param defaultIncludes the default includes if unspecified by the user

        Set<String> uniqueCounters = new HashSet<>();
        for (int i = 0; i < sampleSize; i++) {
            // Extract first 8 bytes as counter
            byte[] counter = new byte[8];
            System.arraycopy(nonces[i], 0, counter, 0, 8);
            uniqueCounters.add(bytesToHex(counter));
        }

        // All nonces should be unique (high entropy from SecureRandom)

     * <p>
     * Effective properties are computed from system, user and optionally project properties, layered with
     * defined precedence onto each other to achieve proper precedence. Precedence is defined as:
     * <ul>
     *     <li>System properties (lowest precedence)</li>
     *     <li>Project properties (optional)</li>

    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(

    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(