*/
public class ProjectActivation {
    private static class ProjectActivationSettings {
        /**
         * The selector of a project. This can be the project directory, [groupId]:[artifactId] or :[artifactId].
         */
        final String selector;

        /**
         * This describes how/when to active or deactivate the project.
         */
        final ActivationSettings activationSettings;

    }

    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])
                        .phase(phase)

public interface ModelResolver {

    /**
     * Tries to resolve the POM for the specified coordinates.
     *
     * @param groupId The group identifier of the POM, must not be {@code null}.
     * @param artifactId The artifact identifier of the POM, must not be {@code null}.
     * @param version The version of the POM, must not be {@code null}.
     * @return The source of the requested POM, never {@code null}.

        <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>

    <class xdoc.anchorName="mojo">

        }
    }
}

fun configureJavadocVariant() {
    java {
        withJavadocJar()
    }
}

fun MavenPublication.configureGradleModulePublication() {
    from(components["java"])
    artifactId = moduleIdentity.baseName.get()
    versionMapping {
        usage("java-api") {
            fromResolutionResult()
        }
        usage("java-runtime") {
            fromResolutionResult()
        }
    }

        // make sure to call the subclasses' builder methods first, otherwise fluent API would not work
        builder.additionalField("additional")
                .groupId("org.apache.maven")
                .artifactId("maven-plugin-api")
                .version("1.0.0");
        ExtendedPluginDescriptor descriptor = builder.build();
        assertEquals("additional", descriptor.getAdditionalField());

  </properties>

  <build>
    <directory>${project.basedir}/target</directory>
    <outputDirectory>${project.build.directory}/classes</outputDirectory>
    <finalName>${project.artifactId}-${project.version}</finalName>
    <testOutputDirectory>${project.build.directory}/test-classes</testOutputDirectory>
    <sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>

 * The flatten phase will keep only a single version per ({@code groupId}, {@code artifactId}) pair.
 * The resolution will actually download the dependencies (or artifacts) that have been computed.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface Dependency extends Artifact {
    /**
     * {@return the type of the dependency}
     * A dependency can be a <abbr>JAR</abbr> file,

     *
     * @return the location
     */
    public String getLocation() {
        return this.location;
    }

    /**
     * Get the identifier of the POM in the format {@code <groupId>:<artifactId>:<version>}.
     *
     * @return the model id
     */
    public String getModelId() {
        return this.modelId;
    }

    /**

  ** since Maven 3.5.0, if <<<project.directory>>> POM property value is defined, it is used instead of artifact id:
  this permits default inheritance calculations when module directory name is not equal to artifact id. Notice that this
  property is not inherited from a POM to its child: child's POM will use child artifact id if property is not
  set.