import java.util.regex.Pattern;

import javax.annotation.PostConstruct;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.service.DataConfigService;
import org.codelibs.fess.app.service.FileConfigService;
import org.codelibs.fess.app.service.WebConfigService;

                .of(stream -> stream.filter(StringUtil::isNotBlank).forEach(contentFieldNameSet::add));
        split(fessConfig.getSuggestFieldTags(), ",").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(tagFieldNameSet::add));
        split(fessConfig.getSuggestFieldRoles(), ",").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(roleFieldNameSet::add));

    @Override
    public synchronized void delete(final StemmerOverrideItem item) {
        final StemmerOverrideItem stemmerOverrideItem = item;
        stemmerOverrideItem.setNewInput(StringUtil.EMPTY);
        stemmerOverrideItem.setNewOutput(StringUtil.EMPTY);
        try (StemmerOverrideUpdater updater = new StemmerOverrideUpdater(item)) {
            reload(updater);
        }
    }

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.concurrent.CommonPoolUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.pager.ElevateWordPager;
import org.codelibs.fess.app.service.ElevateWordService;

import javax.servlet.http.HttpServletRequest;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.exception.InterruptedRuntimeException;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.entity.QueryContext;
import org.codelibs.fess.entity.SearchRenderData;
import org.codelibs.fess.entity.SearchRequestParams;

    }

    protected String getOicScope() {
        return ComponentUtil.getSystemProperties().getProperty(OIC_SCOPE, StringUtil.EMPTY);
    }

    protected String getOicClientId() {
        return ComponentUtil.getSystemProperties().getProperty(OIC_CLIENT_ID, StringUtil.EMPTY);
    }

    protected String getOicAuthServerUrl() {

        }
    }

    @Override
    public synchronized void delete(final SynonymItem item) {
        final SynonymItem synonymItem = item;
        synonymItem.setNewInputs(StringUtil.EMPTY_STRINGS);
        synonymItem.setNewOutputs(StringUtil.EMPTY_STRINGS);
        try (SynonymUpdater updater = new SynonymUpdater(item)) {
            reload(updater);
        }
    }

import javax.annotation.Resource;

import org.apache.commons.lang3.ArrayUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.pager.UserPager;
import org.codelibs.fess.app.service.GroupService;

import javax.annotation.Resource;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.pager.RelatedQueryPager;
import org.codelibs.fess.app.service.RelatedQueryService;

        public String getInitParameter(final String name) {
            if (SpnegoHttpFilter.Constants.LOGGER_LEVEL.equals(name)) {
                final String logLevel = getProperty(SPNEGO_LOGGER_LEVEL, StringUtil.EMPTY);
                if (StringUtil.isNotBlank(logLevel)) {
                    return logLevel;
                }
                if (logger.isDebugEnabled()) {
                    return "3";
                }