/**
     * Method addExtension.
     *
     * @param coreExtension a coreExtension object.
     */
    public void addExtension(CoreExtension coreExtension) {
        getExtensions().add(coreExtension);
    } // -- void addExtension( CoreExtension )

    /**
     * Method getExtensions.
     *
     * @return List
     */
    public List<CoreExtension> getExtensions() {
        if (this.extensions == null) {

        serializer.startDocument(coreExtensions.getModelEncoding(), null);
        writeCoreExtensions(coreExtensions, "extensions", serializer);
        serializer.endDocument();
    } // -- void write( Writer, CoreExtensions )

    /**
     * Method write.
     *
     * @param stream a stream object.
     * @param coreExtensions a coreExtensions object.
     * @throws IOException IOException if any.
     */

                String key = coreExtension.getGroupId() + ":" + coreExtension.getArtifactId();
                CoreExtension conflict = selectedExtensions.putIfAbsent(key, coreExtension);
                if (conflict != null && !Objects.equals(coreExtension.getVersion(), conflict.getVersion())) {
                    conflicts.add(String.format(

     * @throws XmlPullParserException XmlPullParserException if
     * any.
     * @return CoreExtensions
     */
    private CoreExtensions parseCoreExtensions(XmlPullParser parser, boolean strict)
            throws IOException, XmlPullParserException {
        String tagName = parser.getName();
        CoreExtensions coreExtensions = new CoreExtensions();
        for (int i = parser.getAttributeCount() - 1; i >= 0; i--) {

        }
    }

    protected List<CoreExtension> validateCoreExtensionsDescriptorFromFile(
            Path extensionFile, List<CoreExtension> coreExtensions, boolean allowMetaVersions) {
        Map<String, List<InputLocation>> gasLocations = new HashMap<>();
        Map<String, List<InputLocation>> metaVersionLocations = new HashMap<>();
        for (CoreExtension coreExtension : coreExtensions) {

 */
package org.apache.maven.cli.internal.extension.model;

/**
 * Describes a build extension to utilise.
 *
 * @deprecated Use {@link org.apache.maven.api.cli.extensions.CoreExtension} instead
 */
@Deprecated
@SuppressWarnings("all")
public class CoreExtension implements java.io.Serializable {

    // --------------------------/
    // - Class/Member Variables -/
    // --------------------------/

    /**

            Set<String> providedArtifacts,
            List<CoreExtension> configuration,
            UnaryOperator<String> interpolator)
            throws Exception {
        List<CoreExtensionEntry> extensions = new ArrayList<>();

        DependencyFilter dependencyFilter = new ExclusionsDependencyFilter(providedArtifacts);

        for (CoreExtension extension : configuration) {
            List<Artifact> artifacts =

            Set<String> providedArtifacts,
            List<CoreExtension> configuration,
            UnaryOperator<String> interpolator)
            throws Exception {
        List<LoadedCoreExtension> extensions = new ArrayList<>();

        DependencyFilter dependencyFilter = new ExclusionsDependencyFilter(providedArtifacts);

        for (CoreExtension extension : configuration) {
            List<Artifact> artifacts =

package org.apache.maven.cli.internal;

import org.apache.maven.cli.internal.extension.model.CoreExtension;

/**
 * Exception occurring trying to resolve a plugin.
 *
 */
@Deprecated
public class ExtensionResolutionException extends Exception {

    private final CoreExtension extension;

    public ExtensionResolutionException(CoreExtension extension, Throwable cause) {
        super(

import com.google.inject.Module;
import org.apache.maven.api.Constants;
import org.apache.maven.api.ProtoSession;
import org.apache.maven.api.cli.Logger;
import org.apache.maven.api.cli.extensions.CoreExtension;
import org.apache.maven.api.services.MessageBuilderFactory;
import org.apache.maven.api.services.SettingsBuilder;
import org.apache.maven.cling.extensions.BootstrapCoreExtensionManager;