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 {
    private Logger logger;

import org.apache.maven.model.building.ModelProblemCollectorRequest;
import org.apache.maven.model.path.ProfileActivationFilePathInterpolator;
import org.apache.maven.model.profile.ProfileActivationContext;
import org.codehaus.plexus.interpolation.InterpolationException;

/**
 * Determines profile activation based on the existence/absence of some file.
 * File name interpolation support is limited to <code>${project.basedir}</code>

import org.apache.maven.artifact.repository.metadata.Versioning;
import org.apache.maven.plugin.LegacySupport;
import org.apache.maven.project.artifact.ProjectArtifactMetadata;
import org.codehaus.plexus.logging.AbstractLogEnabled;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.RequestTrace;
import org.eclipse.aether.installation.InstallRequest;

import java.util.LinkedHashSet;
import java.util.Set;

import org.apache.maven.api.xml.XmlNode;
import org.apache.maven.project.ExtensionDescriptor;
import org.apache.maven.project.ExtensionDescriptorBuilder;
import org.codehaus.plexus.classworlds.realm.ClassRealm;

/**
 * Provides information about artifacts (identified by groupId:artifactId string key) and classpath elements exported by
 * Maven core itself or a Maven core extension.
 *

import org.apache.maven.settings.Mirror;
import org.apache.maven.settings.Proxy;
import org.apache.maven.settings.Server;
import org.apache.maven.settings.Settings;
import org.codehaus.plexus.PlexusContainer;
import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
import org.eclipse.aether.RepositorySystemSession;

import static java.util.Objects.requireNonNull;

/**
 * A Maven execution session.

import org.apache.maven.wagon.TransferFailedException;
import org.apache.maven.wagon.authentication.AuthenticationInfo;
import org.apache.maven.wagon.proxy.ProxyInfo;
import org.codehaus.plexus.logging.Logger;

/**
 * Manages <a href="https://maven.apache.org/wagon">Wagon</a> related operations in Maven.
 */
@Named
@Singleton
@Deprecated

import org.apache.maven.logging.MavenTransferListener;
import org.apache.maven.logging.ProjectBuildLogAppender;
import org.apache.maven.logging.SimpleBuildEventListener;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.PlexusContainer;
import org.eclipse.aether.DefaultRepositoryCache;
import org.eclipse.aether.transfer.TransferListener;

import static java.util.Comparator.comparing;

import org.apache.commons.cli.ParseException;
import org.apache.maven.api.cli.mvn.MavenOptions;
import org.apache.maven.cling.invoker.CommonsCliOptions;
import org.codehaus.plexus.interpolation.BasicInterpolator;
import org.codehaus.plexus.interpolation.InterpolationException;

import static org.apache.maven.cling.invoker.Utils.createInterpolator;

import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;

import org.apache.maven.settings.Settings;
import org.apache.maven.settings.v4.SettingsStaxReader;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

/**
 * @deprecated Maven 3 compatibility - please use {@code org.apache.maven.api.services.xml.SettingsXmlFactory} from {@code maven-api-core}
 * or {@link SettingsStaxReader}
 */

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 {
    private MavenToolchainMerger merger = new MavenToolchainMerger();