import org.apache.maven.api.spi.ExtensibleEnumProvider;
import org.apache.maven.api.spi.LifecycleProvider;
import org.apache.maven.lifecycle.mapping.LifecyclePhase;
import org.codehaus.plexus.PlexusContainer;
import org.codehaus.plexus.component.repository.exception.ComponentLookupException;

import static org.apache.maven.api.Lifecycle.AFTER;
import static org.apache.maven.api.Lifecycle.BEFORE;

 * <p>
 * A note to the reader;
 * </p>
 * <p>
 * There are several issues/discussions regarding how "aggregator" plugins should be handled.
 * Read for instance http://docs.codehaus.org/display/MAVEN/Deterministic+Lifecycle+Planning
 * </p>
 * <p>
 * In their current implementation they are "bolted" onto the lifecycle by separating them

import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
import org.apache.maven.model.Resource;
import org.apache.maven.project.artifact.AttachedArtifact;
import org.codehaus.plexus.logging.AbstractLogEnabled;

/**
 * DefaultMavenProjectHelper
 */
@SuppressWarnings("deprecation")
@Named
@Singleton

import org.apache.maven.toolchain.RequirementMatcherFactory;
import org.apache.maven.toolchain.ToolchainFactory;
import org.apache.maven.toolchain.ToolchainPrivate;
import org.apache.maven.toolchain.model.ToolchainModel;
import org.codehaus.plexus.util.xml.Xpp3Dom;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * JDK toolchain factory.
 * This is a <code>ToolchainFactory</code> Plexus component registered with
 * <code>jdk</code> hint.

import java.util.Collections;

import org.apache.maven.toolchain.io.DefaultToolchainsReader;
import org.apache.maven.toolchain.model.PersistedToolchains;
import org.apache.maven.toolchain.model.TrackableBase;
import org.codehaus.plexus.util.xml.Xpp3Dom;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

class MavenToolchainMergerTest {

                            <goal>check</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>exec-maven-plugin</artifactId>
                <version>3.6.3</version>
                <executions>
                    <execution>

import org.apache.maven.model.InputLocation;
import org.apache.maven.model.InputSource;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginExecution;
import org.codehaus.plexus.util.xml.Xpp3Dom;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static java.util.Objects.requireNonNull;

/**

    }

    //
    //
    //

    private void populateDefaultPluginGroups(MavenExecutionRequest request) {
        request.addPluginGroup("org.apache.maven.plugins");
        request.addPluginGroup("org.codehaus.mojo");
    }

    private void localRepository(MavenExecutionRequest request) throws MavenExecutionRequestPopulationException {
        // ------------------------------------------------------------------------

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under the License.
-->

<model xmlns="http://codehaus-plexus.github.io/MODELLO/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://codehaus-plexus.github.io/MODELLO/2.0.0 https://codehaus-plexus.github.io/modello/xsd/modello-2.0.0.xsd"
  xml.namespace="http://maven.apache.org/PLUGIN/${version}"

import java.util.HashSet;
import java.util.Objects;
import java.util.Set;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.versioning.VersionRange;
import org.codehaus.plexus.logging.Logger;

/**
 * Send resolution events to the debug log.
 *
 */
@Deprecated
public class DebugResolutionListener implements ResolutionListener, ResolutionListenerForDepMgmt {