import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.CoreLibConstants;
import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.api.BaseApiManager;
import org.codelibs.fess.app.service.FavoriteLogService;
import org.codelibs.fess.entity.FacetInfo;

        if (StringUtil.isBlank(getOnlineHelpSupportedLangs())) {
            return false;
        }
        return split(getOnlineHelpSupportedLangs(), ",").get(stream -> stream.filter(StringUtil::isNotBlank).anyMatch(s -> s.equals(lang)));
    }

    String getForumSupportedLangs();

    default boolean isForumSupportedLang(final String lang) {

import java.io.Closeable;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.CancellationException;

import java.io.IOException;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;
import java.util.AbstractCollection;
import java.util.AbstractMap;
import java.util.AbstractSet;
import java.util.ArrayList;
import java.util.Collection;

package com.google.common.util.concurrent;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.util.concurrent.NullnessCasts.uncheckedNull;
import static java.lang.Integer.toHexString;
import static java.lang.System.identityHashCode;
import static java.util.Objects.requireNonNull;
import static java.util.concurrent.atomic.AtomicReferenceFieldUpdater.newUpdater;

{return function(e){return 0<se(t,e).length}}),contains:le(function(t){return t=t.replace(te,ne),function(e){return-1<(e.textContent||o(e)).indexOf(t)}}),lang:le(function(n){return V.test(n||"")||se.error("unsupported lang: "+n),n=n.replace(te,ne).toLowerCase(),function(e){var t;do{if(t=S?e.lang:e.getAttribute("xml:lang")||e.getAttribute("lang"))return(t=t.toLowerCase())===n||0===t.indexOf(n+"-")}while((e=e.parentNode)&&1===e.nodeType);return!1}}),target:function(e){var t=n.location&&n.location.hash;return...

import org.codelibs.core.exception.ResourceNotFoundRuntimeException;
import org.codelibs.core.io.FileUtil;
import org.codelibs.core.io.ResourceUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.lang.ThreadUtil;
import org.codelibs.curl.CurlResponse;
import org.codelibs.fesen.client.EngineInfo;
import org.codelibs.fesen.client.HttpClient;
import org.codelibs.fess.Constants;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.internal.impl.model;

import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;

import static com.google.common.cache.TestingCacheLoaders.identityLoader;
import static com.google.common.cache.TestingRemovalListeners.countingRemovalListener;
import static com.google.common.truth.Truth.assertThat;
import static java.lang.Thread.currentThread;
import static java.util.Arrays.asList;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.junit.Assert.assertThrows;

{return function(e){return 0<se(t,e).length}}),contains:le(function(t){return t=t.replace(te,ne),function(e){return-1<(e.textContent||o(e)).indexOf(t)}}),lang:le(function(n){return V.test(n||"")||se.error("unsupported lang: "+n),n=n.replace(te,ne).toLowerCase(),function(e){var t;do{if(t=S?e.lang:e.getAttribute("xml:lang")||e.getAttribute("lang"))return(t=t.toLowerCase())===n||0===t.indexOf(n+"-")}while((e=e.parentNode)&&1===e.nodeType);return!1}}),target:function(e){var t=n.location&&n.location.hash;return...