if (systemProperties != null) {
            this.systemProperties = new Properties();
            synchronized (systemProperties) { // avoid concurrent modification if someone else sets/removes an unrelated
                // system property
                this.systemProperties.putAll(systemProperties);
            }
        } else {

 */
package org.apache.maven.artifact.handler.manager;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.maven.api.JavaPathType;
import org.apache.maven.api.Type;
import org.apache.maven.api.services.TypeRegistry;
import org.apache.maven.artifact.handler.ArtifactHandler;

import java.net.Proxy
import java.net.Socket
import java.net.UnknownServiceException
import java.security.cert.X509Certificate
import java.util.concurrent.TimeUnit
import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSocket
import kotlin.concurrent.withLock
import okhttp3.CertificatePinner
import okhttp3.ConnectionSpec
import okhttp3.Handshake
import okhttp3.Handshake.Companion.handshake

 * the License.
 */

package com.google.common.util.concurrent;

import static java.lang.Math.min;
import static java.util.concurrent.TimeUnit.SECONDS;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.math.LongMath;
import java.util.concurrent.TimeUnit;

@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault

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

import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;

import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.fess.util.ComponentUtil;

 * the License.
 */

package com.google.common.cache;

import static com.google.common.cache.TestingCacheLoaders.incrementingLoader;
import static java.util.concurrent.TimeUnit.MILLISECONDS;

import com.google.common.cache.TestingCacheLoaders.IncrementingLoader;
import com.google.common.testing.FakeTicker;
import junit.framework.TestCase;

/**

android.annotation
android.support.annotation
com.sun.istack.internal
edu.umd.cs.findbugs.annotations
javax.annotation
javax.annotation.concurrent
javax.annotation.meta
javax.validation.constraints
lombok
net.jcip.annotations
org.checkerframework.checker.compilermsgs
org.checkerframework.checker.compilermsgs.qual
org.checkerframework.checker.fenum
org.checkerframework.checker.fenum.qual
org.checkerframework.checker.formatter

import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

import org.apache.maven.api.model.InputSource;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;

import org.apache.maven.api.JavaPathType;
import org.apache.maven.api.Type;
import org.apache.maven.api.annotations.Nonnull;

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

import java.util.Set;
import java.util.concurrent.atomic.AtomicLong;

import org.codelibs.core.collection.LruHashSet;
import org.codelibs.fess.crawler.filter.UrlFilter;
import org.codelibs.fess.crawler.interval.IntervalController;