}

func newBucketReplicationStats() *BucketReplicationStats {
	return &BucketReplicationStats{
		Stats: make(map[string]*BucketReplicationStat),
	}
}

// Empty returns true if there are no target stats
func (brs *BucketReplicationStats) Empty() bool {
	return len(brs.Stats) == 0 && brs.ReplicaSize == 0
}

// Clone creates a new BucketReplicationStats copy

        assertNotNull(creator1);
        assertNotNull(creator2);
        assertNotSame(creator1, creator2);
    }

    // Test with empty strings
    public void test_emptyStrings() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override

   * added.
   *
   * @throws NullPointerException if {@code exceptions} is null
   * @throws IllegalArgumentException if {@code exceptions} is empty
   */
  static RuntimeException create(Collection<? extends Throwable> exceptions) {
    if (exceptions.size() == 0) {
      throw new IllegalArgumentException("Can't create an ExceptionCollection with no exceptions");

		}
		freeEntry := xlMetaV2Version{Type: DeleteType, WrittenByVersion: globalVersionUnix}
		freeEntry.DeleteMarker = &xlMetaV2DeleteMarker{
			VersionID: vID,
			ModTime:   j.ModTime, // fi.ModTime may be empty
			MetaSys:   make(map[string][]byte),
		}

		freeEntry.DeleteMarker.MetaSys[ReservedMetadataPrefixLower+freeVersion] = []byte{}
		tierKey := ReservedMetadataPrefixLower + TransitionTier

		vid = strings.TrimSpace(u.Query().Get(xhttp.VersionID))
		// Note that url.Parse does the unescaping
		cpSrcPath = u.Path
	}

	srcBucket, srcObject := path2BucketObject(cpSrcPath)
	// If source object is empty or bucket is empty, reply back invalid copy source.
	if srcObject == "" || srcBucket == "" {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidCopySource), r.URL)
		return
	}

	if vid != "" && vid != nullVersionID {

     * @param parser
     *            The {@link SAXParser} on which the property is to be set. Must not be {@literal null}.
     * @param name
     *            The name of the property to be set. Must not be {@literal null} or an empty string.
     * @param value
     *            The value of the property to be set.
     */
    public static void setProperty(final SAXParser parser, final String name, final String value) {

        OptionalEntity<String> emptyOptional = OptionalUtil.ofNullable(nullValue);

        assertFalse(emptyOptional.isPresent());
        assertEquals("default", emptyOptional.orElse("default"));

        // Test that empty optional returns null instead of throwing
        assertNull(emptyOptional.orElse(null));
    }

    public void test_ofNullable_multipleTypesInSequence() {

        }
    }

    public void test_crawl_withValidWebConfig() {
        List<String> webConfigIds = Arrays.asList("webConfig1");

        // Mock CrawlingConfigHelper that returns non-empty web config
        CrawlingConfigHelper crawlingConfigHelper = new CrawlingConfigHelper() {
            @Override
            public List<WebConfig> getWebConfigListByIds(List<String> webConfigIdList) {

 *
 * @author Louis Wasserman
 */
@GwtIncompatible // not worth using in GWT for now
final class CompactLinkedHashSet<E extends @Nullable Object> extends CompactHashSet<E> {

  /** Creates an empty {@code CompactLinkedHashSet} instance. */
  public static <E extends @Nullable Object> CompactLinkedHashSet<E> create() {
    return new CompactLinkedHashSet<>();
  }

  /**

    @Test
    void testConstructorWithEmptyToken() {
        // Test that PACDecodingException is thrown for an empty token
        byte[] emptyToken = new byte[0];
        PACDecodingException e = assertThrows(PACDecodingException.class, () -> new KerberosTicket(emptyToken, (byte) 0, keys));
        assertEquals("Empty kerberos ticket", e.getMessage());
    }

    @Test
    void testConstructorWithMalformedToken() {