assertEquals("0.1", pluginDescriptor.getVersion());
    }

    // -----------------------------------------------------------------------------------------------
    // Tests which exercise the lifecycle executor when it is dealing with individual goals.
    // -----------------------------------------------------------------------------------------------

    public ResolutionGroup retrieve(MetadataResolutionRequest request) throws ArtifactMetadataRetrievalException {
        Artifact artifact = request.getArtifact();

        //
        // If we have a system scoped artifact then we do not want any searching in local or remote repositories
        // and we want artifact resolution to only return the system scoped artifact itself.
        //

        // Here, we need to determine which policy to use. Release updateInterval will be used when
        // the metadata refers to a release artifact or meta-version, and snapshot updateInterval will be used when
        // it refers to a snapshot artifact or meta-version.
        // NOTE: Release metadata includes version information about artifacts that have been released, to allow

        }
    }

    private String getMessage(String message, Throwable exception) {
        String fullMessage = (message != null) ? message : "";

        // To break out of possible endless loop when getCause returns "this"
        for (Throwable t = exception; t != null && t != t.getCause(); t = t.getCause()) {
            String exceptionMessage = t.getMessage();

import org.apache.maven.api.model.Scm;
import org.apache.maven.api.model.Site;
import org.apache.maven.model.v4.MavenMerger;

/**
 * The domain-specific model merger for the Maven POM, overriding generic code from parent class when necessary with
 * more adapted algorithms.
 *
 */
public class MavenModelMerger extends MavenMerger {

    /**
     * The hint key for the child path adjustment used during inheritance for URL calculations.
     */

    <commonsCliVersion>1.0</commonsCliVersion>
    <!--

    Do not update this, Doxia will be decoupled completely from 3.x and someone can
    create a rendering engine for it if they like when the release stabilizes. JVZ

    -->
    <doxiaVersion>1.0-alpha-9</doxiaVersion>
    <easyMockVersion>1.2_Java1.3</easyMockVersion>
    <junitVersion>4.13.1</junitVersion>
    <plexusVersion>1.0-beta-3.0.7</plexusVersion>

     */
    private final Map<Dependency, Path> dependencies;

    /**
     * Information about modules in the main output. This field is initially null and is set to a non-null
     * value when the output directories have been set, or when it is too late for setting them.
     */
    private PathModularization outputModules;

    /**
     * Creates an initially empty result. Callers should add path elements by calls

          <description><![CDATA[
            Specifies that this profile will be activated when a matching JDK is detected.
          ]]></description>
        </field>
        <field>
          <name>os</name>
          <version>1.0.0</version>
          <description><![CDATA[
            Specifies that this profile will be activated when matching OS attributes are detected.
          ]]></description>
          <association>

          <description>
            The permissions for files when they are created.
          </description>
          <type>String</type>
        </field>
        <field>
          <name>directoryPermissions</name>
          <version>1.0.0+</version>
          <description>
            The permissions for directories when they are created.
          </description>
          <type>String</type>

                    artifact.setRepository(repository);
                    break;
                }
            } catch (ResourceDoesNotExistException e) {
                // This one we will eat when looking through remote repositories
                // because we want to cycle through them all before squawking.

                logger.debug(