.filter(StringUtil::isNotBlank)
                            .distinct()
                            .collect(Collectors.joining("\n")));
                    form.virtualHosts = stream(entity.getVirtualHosts())
                            .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.joining("\n")));

                .filter(StringUtil::isNotBlank)
                .distinct()
                .collect(Collectors.joining("\n")));
        body.virtualHosts = stream(entity.getVirtualHosts())
                .get(stream -> stream.filter(StringUtil::isNotBlank).distinct().map(String::trim).collect(Collectors.joining("\n")));
        return body;
    }

        final String overrides = ComponentUtil.getFessConfig().getCrawlerDocumentMimetypeExtensionOverrides();
        if (StringUtil.isNotBlank(overrides)) {
            final Map<String, String> map = new LinkedHashMap<>();
            StreamUtil.split(overrides, "\n").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(s -> {
                final String[] values = StringUtils.split(s, "=", 2);
                if (values.length == 2) {

        if (form.ex_q != null) {
            stream(form.ex_q).of(stream -> stream.filter(StringUtil::isNotBlank)
                    .distinct()
                    .forEach(q -> pagingQueryList.add("ex_q=" + LaFunctions.u(q))));
        }
        if (StringUtil.isNotBlank(form.sort)) {
            pagingQueryList.add("sort=" + LaFunctions.u(form.sort));
        }
        if (form.lang != null) {

package org.codelibs.fess.app.web.admin.searchlist;

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

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.entity.FacetInfo;
import org.codelibs.fess.entity.GeoInfo;
import org.codelibs.fess.entity.HighlightInfo;
import org.codelibs.fess.entity.SearchRequestParams;

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String name = fessConfig.getQueryBrowserLangParameterName();
        if (StringUtil.isNotBlank(name)) {
            try {
                return requestManager.getParameter(name).filter(StringUtil::isNotBlank).map(LocaleUtils::toLocale);
            } catch (final Exception e) {
                logger.debug("Failed to parse locale: name={}", name, e);
            }

     */
    static String getValue(final List<String> list, final int index) {
        if (index >= list.size()) {
            return StringUtil.EMPTY;
        }
        String item = list.get(index).trim();
        if (StringUtil.isBlank(item)) {
            return StringUtil.EMPTY;
        }
        if (item.length() > 1 && item.charAt(0) == '"' && item.charAt(item.length() - 1) == '"') {

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

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.pager.AccessTokenPager;
import org.codelibs.fess.exception.InvalidAccessTokenException;
import org.codelibs.fess.mylasta.direction.FessConfig;

        return stream(ex_q).get(stream -> stream.filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]));
    }

    @Override
    public Map<String, String[]> getFields() {
        return fields;
    }

    @Override
    public String[] getLanguages() {
        return stream(lang).get(stream -> stream.filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]));
    }

import java.util.LinkedHashMap;
import java.util.Map;

import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.stream.StreamUtil;
import org.codelibs.fess.util.ComponentUtil;

import jakarta.annotation.PostConstruct;

/**
 * Helper class for managing file type mappings based on MIME types.