public synchronized class CollectionUtils { public void CollectionUtils(); public static java.util.Map mergeMaps(java.util.Map, java.util.Map); public static java.util.Map mergeMaps(java.util.Map[]); public static java.util.Collection intersection(java.util.Collection, java.util.Collection); public static java.util.Collection subtract(java.util.Collection, java.util.Collection); public static java.util.Map getCardinalityMap(java.util.Collection); public static java.util.List iteratorToList(java.util.Iterator);...

 * under the License.
 */
package org.apache.maven.toolchain;

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

import org.apache.maven.execution.DefaultMavenExecutionRequest;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.toolchain.model.ToolchainModel;

    private static final String EXPRESSION_DOCO_ROOTPATH = "META-INF/maven/plugin-expressions/";

    private static Map<String, Expression> expressionDocumentation;

    public static Map<String, Expression> load() throws ExpressionDocumentationException {
        if (expressionDocumentation == null) {
            expressionDocumentation = new HashMap<>();

 * under the License.
 */
package org.apache.maven.internal.impl;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.stream.Collectors;

import org.apache.maven.RepositoryUtils;
import org.apache.maven.api.Artifact;
import org.apache.maven.api.Dependency;

            to.add(ArtifactUtils.copyArtifact(artifact));
        }
        return to;
    }

    public static <K, T extends Map<K, Artifact>> T copyArtifacts(Map<K, ? extends Artifact> from, T to) {
        if (from != null) {
            for (Map.Entry<K, ? extends Artifact> entry : from.entrySet()) {
                to.put(entry.getKey(), ArtifactUtils.copyArtifact(entry.getValue()));
            }
        }

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

import java.nio.file.Path;
import java.util.List;
import java.util.Map;

/**
 * Describes the environmental context used to determine the activation status of profiles.
 *
 */
public interface ProfileActivationContext {
    /**

import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;

class Graph {

    final Map<String, Set<String>> graph = new LinkedHashMap<>();

    synchronized void addEdge(String from, String to) throws CycleDetectedException {

            throw new SettingsBuilderException("Unable to build settings", e);
        }
    }

    private Properties toProperties(Map<String, String> map) {
        Properties properties = new Properties();
        properties.putAll(map);
        return properties;
    }

    private static class MappedSettingsSource implements SettingsSource {
        private final Source source;

 * under the License.
 */
package org.apache.maven.artifact.repository.metadata.io;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.util.Map;

import org.apache.maven.artifact.repository.metadata.Metadata;

/**
 * Handles deserialization of metadata from some kind of textual format like XML.
 *
 */
public interface MetadataReader {

    /**

        private Map<String, Artifact> managedVersions;
        private List<ArtifactRepository> remoteRepositories;

        private long length;
        private long timestamp;

        CacheRecord(
                Artifact pomArtifact,
                Artifact relocatedArtifact,
                Set<Artifact> artifacts,
                Map<String, Artifact> managedVersions,