}
                    if (pos + 1 < pair.length()) {
                        list.add(urlCodec.decode(pair.substring(pos + 1), enc));
                    } else {
                        list.add(StringUtil.EMPTY);
                    }
                } else {
                    final String key = urlCodec.decode(pair, enc);
                    List<String> list = paramListMap.get(key);
                    if (list == null) {

                    }
                    String virtualHost = keyMatch.getVirtualHost();
                    if (StringUtil.isBlank(virtualHost)) {
                        virtualHost = StringUtil.EMPTY;
                    }
                    Map<String, List<Tuple3<String, QueryBuilder, ScoreFunctionBuilder<?>>>> queryMap = keyMatchQueryMap.get(virtualHost);
                    if (queryMap == null) {

            return StringUtil.EMPTY;
        }
        // Remove trailing slash if present
        String name = objectName;
        if (name.endsWith("/")) {
            name = name.substring(0, name.length() - 1);
        }
        final String[] values = name.split("/");
        if (values.length == 0) {
            return StringUtil.EMPTY;
        }
        return values[values.length - 1];

            });
        }

        @Override
        public OptionalThing<String> getSavedHtmlText() {
            return OptionalThing.empty();
        }

        @Override
        public OptionalThing<String> getSavedReturnPath() {
            return OptionalThing.empty();
        }

        @Override
        public java.util.List<jakarta.mail.Address> getSavedReplyToList() {

     * Gets the input words as a newline-separated string.
     *
     * @return The input words as a string.
     */
    public String getInputsValue() {
        if (inputs == null) {
            return StringUtil.EMPTY;
        }
        return String.join("\n", inputs);
    }

    /**
     * Gets the original output synonyms.
     * Returns a defensive copy to prevent external modification.
     *

    private static OptionalEntity<StopwordsItem> getEntity(final CreateForm form) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            final StopwordsItem entity = new StopwordsItem(0, StringUtil.EMPTY);
            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            if (form instanceof EditForm) {

        switch (form.crudMode) {
        case CrudMode.CREATE:
            final StemmerOverrideItem entity = new StemmerOverrideItem(0, StringUtil.EMPTY, StringUtil.EMPTY);
            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            if (form instanceof EditForm) {

        super(params)
    }

    @Override
    protected boolean changed(JApiCompatibility member) {
        return member instanceof JApiClass && !member.superclass.binaryCompatible && !member.superclass.compatibilityChanges.empty
    }

    @Override
    protected Violation checkSuperClassChanges(JApiClass apiClass, CtClass oldClass, CtClass newClass) {

 */
fun <T: Any> atMostOneOf(vararg providers: Provider<T>): Provider<T> {
    return providers.map { provider ->
        provider.map {
            Optional.of(it)
        }.orElse(
            Optional.empty<T>()
        )
    }.reduce { acc, next ->
        acc.zip(next) { left, right ->
            when {
                left.isPresent -> {
                    require(!right.isPresent) {

            return Optional.empty();
        }
        JApiMethod jApiMethod = (JApiMethod) jApiCompatibility;
        Map<AccessorKey, ReplacedAccessor> oldMethods = context.getUserData(OLD_REMOVED_ACCESSORS_OF_UPGRADED_PROPERTIES);
        AccessorKey key = AccessorKey.ofOldMethod(jApiMethod);
        return oldMethods.containsKey(key) ? Optional.of(key) : Optional.empty();
    }