}
    }
    OptionalState state = new OptionalState();

    Deque<Spliterator<T>> splits = new ArrayDeque<>();
    splits.addLast(stream.spliterator());

    while (!splits.isEmpty()) {
      Spliterator<T> spliterator = splits.removeLast();

      if (spliterator.getExactSizeIfKnown() == 0) {
        continue; // drop this split
      }

        () -> COMMA_SPLITTER.withKeyValueSeparator(":").split("a:1,b:2,a:3"));
  }

  public void testMapSplitter_varyingTrimLevels() {
    MapSplitter splitter = COMMA_SPLITTER.trimResults().withKeyValueSeparator(Splitter.on("->"));
    Map<String, String> split = splitter.split(" x -> y, z-> a ");
    assertThat(split).containsEntry("x ", " y");
    assertThat(split).containsEntry("z", " a");
  }

        if (params == null) {
            params = split(getCrawlerMetadataNameMapping(), "\n").get(stream -> stream.filter(StringUtil::isNotBlank).map(v -> {
                final String[] values = v.split("=");
                if (values.length == 2) {
                    final String[] subValues = values[1].split(":", 3);
                    if (subValues.length == 3) {

        assertNotNull(arrayFields);
        assertEquals(2, arrayFields.length);

        String[] dateFields = fessConfig.getIndexAdminDateFields().split(",");
        assertNotNull(dateFields);
        assertEquals(3, dateFields.length);

        String[] requiredFields = fessConfig.getIndexAdminRequiredFields().split(",");
        assertNotNull(requiredFields);

        }
        fessConfig = ComponentUtil.getFessConfig();
        split(fessConfig.getSuggestFieldContents(), ",")
                .of(stream -> stream.filter(StringUtil::isNotBlank).forEach(contentFieldNameSet::add));
        split(fessConfig.getSuggestFieldTags(), ",").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(tagFieldNameSet::add));

        List<Map<String, Object>> docs = JsonPath.from(response).getList("data");
        for (Map<String, Object> doc : docs) {
            for (String keyword : query.split(" ")) {
                assertTrue(
                        doc.entrySet()
                                .stream()

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.opensearch.client;

import static org.codelibs.core.stream.StreamUtil.split;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fesen.client.HttpClient;
import org.codelibs.fess.Constants;
import org.codelibs.fess.crawler.client.FesenClient;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.util;

import static org.codelibs.core.stream.StreamUtil.split;
import static org.codelibs.core.stream.StreamUtil.stream;

import java.util.Map;
import java.util.stream.Collectors;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;

            entity.setPermissions(split(form.permissions, "\n").get(stream -> stream.map(s -> permissionHelper.encode(s))
                    .filter(StringUtil::isNotBlank)
                    .distinct()
                    .toArray(n -> new String[n])));
            entity.setVirtualHosts(split(form.virtualHosts, "\n")

         */
        protected List<String> getWebConfigIdList() {
            if (StringUtil.isNotBlank(webConfigIds)) {
                final String[] values = webConfigIds.split(",");
                return createConfigIdList(values);
            }
            return null;
        }

        /**
         * Parses the file configuration IDs string into a list.
         *