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

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

import org.apache.maven.settings.IdentifiableBase;
import org.apache.maven.settings.Settings;

/**

                    new HashMap<>(session.getProjects().size());
            for (MavenProject reactorProject : session.getProjects()) {
                reactorProjects.put(
                        reactorProject.getArtifact(),
                        reactorProject.getArtifact().getFile());
            }

            Map<String, Artifact> map = new HashMap<>();

     *
     * @see Function
     * @see Optional
     * @see HashMap#computeIfAbsent(Object, Function)
     */
    static UnaryOperator<String> memoize(UnaryOperator<String> callback) {
        Map<String, Optional<String>> cache = new HashMap<>();
        return s -> cache.computeIfAbsent(s, v -> Optional.ofNullable(callback.apply(v)))
                .orElse(null);
    }

import com.google.common.collect.testing.MapTestSuiteBuilder;
import com.google.common.collect.testing.TestEnumMapGenerator;
import com.google.common.collect.testing.features.CollectionSize;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullMarked;

/**

import com.google.common.collect.testing.google.BiMapTestSuiteBuilder;
import com.google.common.collect.testing.google.TestStringBiMapGenerator;
import com.google.common.io.BaseEncoding;
import java.util.Comparator;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.NavigableMap;
import java.util.NavigableSet;

        buffer.append(repository.getUrl());

        return buffer.toString();
    }

    private void writeLastUpdated(File touchfile, String key, String error) {
        HashMap<String, String> update = new HashMap<>();
        update.put(key, Long.toString(System.currentTimeMillis()));
        update.put(key + ERROR_KEY_SUFFIX, error); // error==null => remove mapping
        trackingFileManager.update(touchfile, update);

import com.google.common.collect.Iterators;
import com.google.common.collect.Maps;
import com.google.common.testing.EqualsTester;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**

import org.w3c.dom.Document;
import org.w3c.dom.Element;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

public class ClassDocExtensionsBuilder {
    private final DslDocModel model;
    private final GenerationListener listener;

import com.google.common.collect.ForwardingSet;
import com.google.common.collect.Iterators;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.errorprone.annotations.DoNotCall;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.Nullable;

/**

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

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.function.Predicate;

import static java.util.stream.Collectors.toSet;

/**