public void setSession(MavenSession session) {
        AtomicReference<MavenSession> reference = DefaultLegacySupport.SESSION.get();
        if (reference != null) {
            reference.set(null);
        }

        if (session == null && reference != null) {
            DefaultLegacySupport.SESSION.remove();
        } else {

     * @param project project reference.
     * @param artifactType artifact type.
     * @param artifactFile artifact file.
     */
    void attachArtifact(MavenProject project, String artifactType, File artifactFile);

    /**
     * Add or replace an artifact to the current project.
     * @param project the project reference.
     * @param artifactType the type (e.g. jar) or null.

~~ KIND, either express or implied.  See the License for the
~~ specific language governing permissions and limitations
~~ under the License.

 ---
 Maven Core Extensions Reference
 ---
 Hervé Boutemy
 ---
 2016-06-25
 ---

Maven Core Extensions Reference

  Maven core provides default {{{./extension.html}extensions}} as defined in <<</META-INF/maven/extension.xml>>>:

~~ KIND, either express or implied.  See the License for the
~~ specific language governing permissions and limitations
~~ under the License.

 ---
 Legacy Artifact Handlers Reference
 ---
 Hervé Boutemy
 ---
 2013-08-02
 ---

Legacy Artifact Handlers Reference

  Maven 3 artifact handlers (see {{{../maven-artifact/apidocs/org/apache/maven/artifact/handler/ArtifactHandler.html} API}})

~~ specific language governing permissions and limitations
~~ under the License.

 ---
 Plugins Bindings for Default Lifecycle Reference
 ---
 Hervé Boutemy
 ---
 2013-08-02
 ---

Plugins Bindings for <<<default>>> Lifecycle Reference

  The {{{./lifecycles.html}<<<default>>> lifecycle}} is defined without any plugin binding; plugins bindings are defined separately

                            reference = "AetherClassNotFound";
                        }
                    }
                }

                if (reference == null || reference.isEmpty()) {
                    reference = getReference(cause);
                }

                if (reference == null || reference.isEmpty()) {
                    reference = exception.getClass().getSimpleName();

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @since 3.0
 */
// TODO The configuration for the lifecycle needs to be externalized so that I can use the annotations properly for the
// wiring and reference and external source for the lifecycle configuration.
@Named
@Singleton
public class DefaultLifecycles {
    public static final String[] STANDARD_LIFECYCLES = {"clean", "default", "site", "wrapper"};

    }

    @Test
    void testThatErrorDuringProjectDependencyGraphCreationAreStored() throws Exception {
        MavenExecutionRequest request =
                createMavenExecutionRequest(getProject("cyclic-reference")).setGoals(asList("validate"));

        MavenExecutionResult result = maven.execute(request);

        assertEquals(ProjectCycleException.class, result.getExceptions().get(0).getClass());
    }

    @Test

          <version>1.0.0+</version>
          <type>String</type>
          <description>Reference the invocation phase of the Mojo.</description>
        </field>
        <field>
          <name>executeGoal</name>
          <version>1.0.0+</version>
          <type>String</type>
          <description>Reference the invocation goal of the Mojo.</description>
        </field>
        <field>

    private static final Map<Model, Map<List<Profile>, Model>> CACHE = Collections.synchronizedMap(new WeakHashMap<>());

    // In order for the weak hash map to work correctly, we must not hold any reference to
    // the model used as the key.  So we use a dummy model as a placeholder to indicate that
    // we want to store the model used as they key.
    private static final Model KEY = Model.newInstance();