}
    Enum<?> e = (Enum<?>) element;
    checkNonnegative(occurrences, "occurrences");
    if (occurrences == 0) {
      return count(element);
    }
    int index = e.ordinal();
    int oldCount = counts[index];
    if (oldCount == 0) {
      return 0;
    } else if (oldCount <= occurrences) {
      counts[index] = 0;
      distinctElements--;
      size -= oldCount;
    } else {

	if !l.ParsesAsDN(username) {
		// We consider it as a login username and attempt to check it exists in
		// the directory.
		bindDN, err := l.LDAP.LookupUsername(conn, username)
		if err != nil {
			if strings.Contains(err.Error(), "User DN not found for") {
				return nil, nil
			}
			return nil, fmt.Errorf("Unable to find user DN: %w", err)
		}
		return bindDN, nil
	}

      append(url)
      if (headers.size != 0) {
        append(", headers=[")
        headers.forEachIndexed { index, (name, value) ->
          if (index > 0) {
            append(", ")
          }
          append(name)
          append(':')
          append(if (isSensitiveHeader(name)) "██" else value)
        }
        append(']')
      }
      if (tags != EmptyTags) {
        append(", tags=")

        CrawlingInfoParamCQ cq = new CrawlingInfoParamCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            CrawlingInfoParamCA ca = new CrawlingInfoParamCA();

   *
   * @throws IllegalArgumentException if the stream consists of two or more elements.
   * @throws NullPointerException if any element in the stream is {@code null}.
   * @return {@code Optional.of(onlyElement)} if the stream has exactly one element (must not be
   *     {@code null}) and returns {@code Optional.empty()} if it has none.
   */
  @SuppressWarnings("unchecked")

	v := LockArgs{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {

            if (StringUtil.isNotBlank(userCode)) {
                return userCode;
            }

            if (!request.isRequestedSessionIdValid()) {
                return null;
            }

            userCode = getUserCodeFromCookie(request);
            if (StringUtil.isBlank(userCode)) {
                userCode = getUserCodeFromUserBean(request);
                if (StringUtil.isBlank(userCode)) {

      char c = ipString.charAt(i);
      if (c == '.') {
        hasDot = true;
      } else if (c == ':') {
        if (hasDot) {
          return null; // Colons must not appear after dots.
        }
        hasColon = true;
      } else if (c == '%') {
        percentIndex = i;
        break;
      } else if (Character.digit(c, 16) == -1) {

                if (!lowerBound.equals(restriction.lowerBound)) {
                    return false;
                }
            } else if (restriction.lowerBound != null) {
                return false;
            }

            if (lowerBoundInclusive != restriction.lowerBoundInclusive) {
                return false;
            }

            if (upperBound != null) {

			stop()
			if err != nil {
				if isSysErrNotDir(err) {
					return nil
				}
				err = osErrToFileErr(err)
				if err == errFileNotFound {
					return nil
				}
				return err
			}
			if nbuf <= 0 {
				break // EOF
			}
		}
		consumed, name, typ, err := parseDirEnt(buf[boff:nbuf])
		if err != nil {
			return err
		}
		boff += consumed