if (o.isEmpty()) {
            throw new IllegalArgumentException("No options specified (or all were null)");
        } else if (o.size() == 1) {
            return o.get(0);
        } else {
            return new LayeredMavenOptions<>(o);
        }
    }

    protected LayeredMavenOptions(List<O> options) {
        super(options);
    }

    @Override

        final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
        final String index = fessConfig.getIndexDocumentUpdateIndex();
        final Object url = params.get("url");
        if (url == null) {
            return StringUtil.EMPTY_STRINGS;
        }
        final SearchResponse response = client.prepareSearch(index)

          new ClassValue<Boolean>() {
            @Override
            protected Boolean computeValue(Class<?> type) {
              return true;
            }
          };
      classValue.get(exceptionType);
      retainedReferencesToOtherClassValues.add(classValue);
    }
  }

  @Benchmark
  int benchmarkGetChecked(int reps) {
    int tmp = 0;

                    this.table.clear();
                    try (FileReader r = new FileReader(f)) {
                        populate(r, tc);
                    }
                }
                result = this.table.get(name);
            }
        } catch (final IOException fnfe) {
            log.error("Could not read lmhosts " + tc.getConfig().getLmHostsFileName(), fnfe); //$NON-NLS-1$
        }
        return result;
    }

                for (KerberosKey key : keys) {
                    keysByAlgo.put(key.getKeyType(), key);
                }

                KerberosKey serverKey = keysByAlgo.get(encType.getValue().intValue());
                if (keysByAlgo.isEmpty() || serverKey == null) {
                    throw new PACDecodingException("Kerberos key not found for eType " + encType.getValue());
                }

    private static Object getField(Object target, String name) {
        try {
            var f = target.getClass().getDeclaredField(name);
            f.setAccessible(true);
            return f.get(target);
        } catch (Exception e) {
            fail("access field " + name, e);
            return null;
        }
    }

		if len(tag) != 0 {
			allEmpty = false
			break
		}
	}
	if allEmpty {
		c.PartETags = nil
	}
	if len(c.PartActualSizes) == 0 {
		c.PartActualSizes = nil
	}

	// Get a 64 bit CRC
	crc := hashDeterministicString(c.MetaUser)
	crc ^= hashDeterministicBytes(c.MetaSys)

	// Nil fields.
	c.MetaSys = nil
	c.MetaUser = nil

        final Map<String, String> labelMap = new LinkedHashMap<>();
        if (!labelTypeItems.isEmpty()) {
            for (final Map<String, String> map : labelTypeItems) {
                labelMap.put(map.get(Constants.ITEM_VALUE), map.get(Constants.ITEM_LABEL));
            }
        }
        request.setAttribute(Constants.LABEL_VALUE_MAP, labelMap);

        // sort
        if (StringUtil.isBlank(form.sort)) {

    }
    return tableSize;
  }

  static CharMatcher from(BitSet chars, String description) {
    // Compute the filter.
    long filter = 0;
    int size = chars.cardinality();
    boolean containsZero = chars.get(0);
    // Compute the hash table.
    char[] table = new char[chooseTableSize(size)];
    int mask = table.length - 1;
    for (int c = chars.nextSetBit(0); c != -1; c = chars.nextSetBit(c + 1)) {

    private static URLStreamHandler getDefaultStreamHandler(final String protocol) throws IOException {
        synchronized (PROTOCOL_HANDLERS) {
            URLStreamHandler handler = (URLStreamHandler) PROTOCOL_HANDLERS.get(protocol);
            if (handler != null) {
                return handler;
            }
            if (factory != null) {
                handler = factory.createURLStreamHandler(protocol);
            }