return determineBuildOutputDirectoryForArtifact(project, artifact);
        }

        // The fall-through indicates that the artifact cannot be found;
        // for instance if package produced nothing or classifier problems.
        return null;
    }

    private File determineBuildOutputDirectoryForArtifact(final MavenProject project, final Artifact artifact) {

     * @param cause The cause of the problem, may be {@code null}.
     */
    void add(Problem.Severity severity, String message, int line, int column, Exception cause);

    /**
     * The next messages will be bound to this source. When calling this method again, previous messages keep
     * their source, but the next messages will use the new source.
     *
     * @param source a source
     */
    void setSource(String source);

@REM ==== END VALIDATION ====

:init

set "CLASSWORLDS_CONF=%MAVEN_HOME%\bin\m2.conf"

@REM Find the project basedir, i.e., the directory that contains the directory ".mvn".
@REM Fallback to current working directory if not found.

set "EXEC_DIR=%CD%"
set "WDIR=%EXEC_DIR%"

@REM Look for the --file switch and start the search for the .mvn directory from the specified
@REM POM location, if supplied.

set FILE_ARG=
:arg_loop

     *
     * @param requestedPhase the requested phase
     *                       The execution plan item
     * @return The ExecutionPlanItem or null if none can be found
     */
    public ExecutionPlanItem findLastInPhase(String requestedPhase) {
        return lastMojoExecutionForAllPhases.get(requestedPhase);
    }

    private List<ExecutionPlanItem> getExecutionPlanItems() {

 See the License for the specific language governing permissions and
 limitations under the License.
-->
Contributing to Apache Maven
======================

You have found a bug or you have an idea for a cool new feature? Contributing
code is a great way to give something back to the open source community. Before
you dig right into the code, there are a few guidelines that we need

    }

    /**
     * Unravels trace tree (going upwards from current node), looking for {@link CollectStepData} trace data.
     * This method may return {@code null} if no collect step data found in passed trace data or it's parents.
     * <p>
     * Visible for testing.
     */
    static CollectStepData lookupCollectStepData(RequestTrace trace) {
        CollectStepData collectStepTrace = null;

        if (executionIdx > 0) {
            goal = goal.substring(0, executionIdx);
        }

        injectPluginDeclarationFromProject(plugin, project);

        // If there is no version to be found then we need to look in the repository metadata for
        // this plugin and see what's specified as the latest release.
        //
        if (plugin.getVersion() == null) {

    Path getTopDirectory();

    /**
     * Gets the root directory of the session, which is the root directory for the top directory project.
     *
     * @throws IllegalStateException if the root directory could not be found
     * @see #getTopDirectory()
     * @see Project#getRootDirectory()
     */
    @Nonnull
    Path getRootDirectory();

    @Nonnull
    List<Project> getProjects();

    /**

                }
            }

            if (pluginDescriptor == null) {
                throw new IOException("No plugin descriptor found at " + getPluginDescriptorLocation());
            }
        } catch (IOException e) {
            throw new PluginDescriptorParsingException(plugin, pluginFile.getAbsolutePath(), e);
        }

          <required>false</required>
          <description>Default plugin information to be made available for reference by projects
            derived from this one. This plugin configuration will not be resolved or bound to the
            lifecycle unless referenced. Any local configuration for a given plugin will override
            the plugin's entire definition here.</description>
          <association>