*  New: `Protocol.QUIC` constant. This protocol is not supported but this
    constant is included for completeness.
 *  New: Upgrade to Okio 1.14.0.

     ```xml
     <dependency>
       <groupId>com.squareup.okio</groupId>
       <artifactId>okio</artifactId>
       <version>1.14.0</version>
     </dependency>

     com.squareup.okio:okio:1.14.0
     ```

                + " It is derived from the main artifact.");
    }

    @Override
    public void setGroupId(String groupId) {
        throw new UnsupportedOperationException(
                "Cannot change the groupId for an attached artifact." + " It is derived from the main artifact.");
    }

    @Override
    public ArtifactRepository getRepository() {

                    }

                    @Override
                    public List<Plugin> plugins() {
                        return Collections.singletonList(Plugin.newBuilder()
                                .groupId(pluginDescriptor.getGroupId())
                                .artifactId(pluginDescriptor.getArtifactId())
                                .version(pluginDescriptor.getVersion())

    }

    /**
     * @param groupId the group ID of the plugin in the repository
     * @param artifactId the artifact ID of the reporting plugin in the repository
     * @return the key of the plugin, ie {@code groupId:artifactId}
     */
    public static String constructKey(String groupId, String artifactId) {
        return groupId + ":" + artifactId;
    }

            ]]>

    }

    static Plugin plugin(String coords, String phase) {
        String[] c = coords.split(":");
        return Plugin.newBuilder()
                .groupId(c[0])
                .artifactId(c[1])
                .version(c[2])
                .executions(Collections.singletonList(PluginExecution.newBuilder()
                        .id("default-" + c[3])

 */
@Deprecated(since = "4.0.0")
public interface ProjectBuildingResult {

    /**
     * Gets the identifier of the project that could not be built. The general format of the identifier is {@code
     * <groupId>:<artifactId>:<version>} but some of these coordinates may still be unknown at the point the exception
     * is thrown so this information is merely meant to assist the user.
     *

        if (md == null) {
            throw new MetadataResolutionException(
                    "treenode without metadata, parent: " + (parent == null ? "null" : parent.toString()));
        }

        return md.groupId + ":" + md.artifactId;
    }

    // ------------------------------------------------------------------------
    public boolean hasChildren() {
        return children != null;
    }

      <codeSegments>
        <codeSegment>
          <version>2.0.0+</version>
          <code><![CDATA[
    public String getPluginLookupKey() {
        return groupId + ":" + artifactId;
    }

    public String getId() {
        return groupId + ":" + artifactId + ":" + version;
    }

          ]]></code>
        </codeSegment>
      </codeSegments>
    </class>

                    Arrays.toString(ValidationReportLevel.values()));
            return DEFAULT_VALIDATION_LEVEL;
        }
    }

    private String pluginKey(String groupId, String artifactId, String version) {
        return groupId + ":" + artifactId + ":" + version;
    }

    private String pluginKey(MojoDescriptor mojoDescriptor) {
        PluginDescriptor pd = mojoDescriptor.getPluginDescriptor();

import org.codehaus.plexus.configuration.PlexusConfigurationException;

/**
 * Exception which occurs to indicate that the plugin cannot be initialized due
 * to some deeper problem with Plexus. Context information includes the groupId,
 * artifactId, and version for the plugin; at times, the goal name for which
 * execution failed; a message detailing the problem; the ClassRealm used to
 * look up the plugin; and the Plexus exception that caused this error.
 *