/**
   * Sets.cartesianProduct doesn't allow sets that contain null, but we want null to mean "don't
   * call the associated CacheBuilder method" - that is, get the default CacheBuilder behavior. This
   * method wraps the elements in the input sets (which may contain null) as Optionals, calls
   * Sets.cartesianProduct with those, then transforms the result to unwrap the Optionals.
   */

      sink: BufferedSink,
      certificates: List<Certificate>,
    ) {
      try {
        sink.writeDecimalLong(certificates.size.toLong()).writeByte('\n'.code)
        for (element in certificates) {
          val bytes = element.encoded
          val line = bytes.toByteString().base64()
          sink.writeUtf8(line).writeByte('\n'.code)
        }
      } catch (e: CertificateEncodingException) {

      return true;
    }

    // Provides load and store operations that use native instructions to get better performance.
    private static final Unsafe theUnsafe;

    // The offset to the first element in a byte array.
    private static final int BYTE_ARRAY_BASE_OFFSET;

    /**
     * Returns an Unsafe. Suitable for use in a 3rd party package. Replace with a simple call to

        });

        // When: Create iterator with rejecting filter
        NetServerEnumIterator iterator = new NetServerEnumIterator(parent, treeHandle, "*", 0, nameFilter);

        // Then: Iterator should have no elements
        assertFalse(iterator.hasNext());

        // Cleanup
        iterator.close();
    }

    @Test
    @DisplayName("Iterator should handle filter that throws CIFSException")

     *         If all functions return null, the composite function returns null.
     *
     * @throws NullPointerException if the input collection is null or contains null elements.
     */
    static UnaryOperator<String> chain(Collection<? extends UnaryOperator<String>> functions) {
        return s -> {
            for (UnaryOperator<String> function : functions) {

	i := len(dirPath)
	for i > 0 && os.IsPathSeparator(dirPath[i-1]) { // Skip trailing path separator.
		i--
	}

	j := i
	for j > 0 && !os.IsPathSeparator(dirPath[j-1]) { // Scan backward over element.
		j--
	}

	if j > 1 {
		// Create parent.
		if err := osMkdirAll(dirPath[:j-1], perm, baseDir); err != nil {
			return err
		}
	}

	// Parent now exists; invoke Mkdir and use its result.

        }
        return ComponentUtil.getDocumentHelper().encodeSimilarDocHash(input);
    }

    /**
     * Joins array or list elements into a single space-separated string.
     *
     * @param input the input object (String[], List, or String)
     * @return joined string with elements separated by spaces, or empty string if invalid input
     */
    public static String join(final Object input) {
        String[] values = null;

}

// defaultMaxSize defines the default maximum capacity of the cache.
// Its value is the maximum value of the int64 type, which means that when the cache size is not specified,
// the cache can theoretically store as many elements as possible.
// (1 << 63) - 1 is the maximum value that an int64 type can represent.
const (
	defaultMaxSize = math.MaxInt
	// defaultTTL defines the default time-to-live (TTL) for each cache entry.

func (l *ReplicationLastHour) forwardTo(t int64) {
	if l.LastMin >= t {
		return
	}
	if t-l.LastMin >= 60 {
		l.Totals = [60]AccElem{}
		return
	}
	for l.LastMin != t {
		// Clear next element.
		idx := (l.LastMin + 1) % 60
		l.Totals[idx] = AccElem{}
		l.LastMin++
	}
}

// BucketStatsMap captures bucket statistics for all buckets
type BucketStatsMap struct {

public abstract class ArrayBasedUnicodeEscaper extends UnicodeEscaper {
  // The replacement array (see ArrayBasedEscaperMap).
  private final char[][] replacements;
  // The number of elements in the replacement array.
  private final int replacementsLength;
  // The first code point in the safe range.
  private final int safeMin;
  // The last code point in the safe range.
  private final int safeMax;