*/
package org.codelibs.fess.query;

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

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.function.Consumer;
import java.util.stream.Stream;

import org.apache.logging.log4j.LogManager;

        }

        return new ChatSearchResult(Collections.emptyList(), null, 0L);
    }

    /**
     * Validates a query and returns an empty result if invalid, or null if validation passed.
     */
    private ChatSearchResult validateQuery(final String query) {
        if (StringUtil.isBlank(query)) {
            return new ChatSearchResult(Collections.emptyList(), null, 0L);
        }

import static java.util.Collections.emptyList;
import static java.util.Collections.singletonList;
import static java.util.Collections.unmodifiableList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.IteratorTester;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

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

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

import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.maven.model.Dependency;
import org.apache.maven.model.DependencyManagement;
import org.apache.maven.model.Exclusion;

 */

package com.google.common.collect;

import java.util.Collections;
import java.util.Set;

/**
 * GWT emulation of {@link RegularImmutableSet}.
 *
 * @author Hayward Chan
 */
final class RegularImmutableSet<E> extends ForwardingImmutableSet<E> {
  static final RegularImmutableSet<Object> EMPTY =
      new RegularImmutableSet<Object>(Collections.emptySet());

  RegularImmutableSet(Set<E> delegate) {

            }
        }
    }

    @Override
    public Collection<? extends Metadata> prepare(Collection<? extends Artifact> artifacts) {
        return Collections.emptyList();
    }

    @Override
    public Artifact transformArtifact(Artifact artifact) {
        return artifact;
    }

    @Override
    public Collection<? extends Metadata> finish(Collection<? extends Artifact> artifacts) {

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

 */
package org.codelibs.fess.suggest.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Collections;
import java.util.Map;

import org.codelibs.core.lang.StringUtil;

/**
 * Utility class for loading JSON resource files for settings.

        return true;
      }
    }
    return false;
  }

  @LazyInit private transient @Nullable Collection<V> valuesView;

  @Override
  public Collection<V> values() {
    return (valuesView == null) ? valuesView = createValues() : valuesView;
  }

  Collection<V> createValues() {
    return new ValuesView();
  }

  @WeakOuter

            @Override
            public java.util.List<LaScheduledJob> getJobList() {
                return Collections.emptyList();
            }

            @Override
            public java.util.List<org.lastaflute.job.LaJobHistory> searchJobHistoryList() {
                return Collections.emptyList();
            }

            @Override
            public void reboot() {
            }