printErrors(result);

        Iterator<Artifact> i = result.getArtifacts().iterator();
        assertEquals(n, i.next(), "n should be first");
        assertEquals(m, i.next(), "m should be second");

        // inverse order
        set = new LinkedHashSet<>();
        set.add(m);
        set.add(n);

        result = artifactResolver.resolveTransitively(

                .collect(Collectors.toList());

        if (!unversionedPlugins.isEmpty()) {
            logger.warn("Version not locked for default bindings plugins " + unversionedPlugins
                    + ", you should define versions in pluginManagement section of your " + "pom.xml or parent");
        }

        return executionPlan;
    }

    public void handleBuildError(
            final ReactorContext buildContext,

  basis, below:

*** DefaultLifecycleExecutor

  When binding goals to the project's configured lifecycle, each mojo
  descriptor should declare whether it requires online/offline status.
  This value should be a java.lang.Boolean, so it can implement 3VL
  (three value logic: yes, no, don't-care). The requiresOnline
  field in the mojo descriptor has the following semantics:

    }

    /**
     * Test <a href="https://issues.apache.org/jira/browse/MNG-5568">MNG-5568</a> edge case
     * which was showing transitive inconsistency: since A &gt; B and B &gt; C then we should have A &gt; C
     * otherwise sorting a list of ComparableVersions() will in some cases throw runtime exception;
     * see Netbeans issues <a href="https://netbeans.org/bugzilla/show_bug.cgi?id=240845">240845</a> and

        // allows depMgmt to always override transitive dependencies, while
        // explicit child override depMgmt (viz. depMgmt should only
        // provide defaults to children, but should override transitives).
        // We can do this by calling isChildOfRootNode on the current node.
        if ((artifact.getVersion() != null)

        this.properties.putAll(session.getSystemProperties());

        String basedir = null;

        if (project != null) {
            File projectFile = project.getBasedir();

            // this should always be the case for non-super POM instances...
            if (projectFile != null) {
                basedir = projectFile.getAbsolutePath();
            }
        }

        if (basedir == null) {

specified target object. * * @param target * the target instance against which others should be assessed */ public static <T> org.hamcrest.Matcher<T> sameInstance(T target) { return org.hamcrest.core.IsSame.<T>sameInstance(target); } /** * Creates a matcher that matches only when the examined object is the same instance as * the specified target object. * * @param target * the target instance against which others should be assessed */ public static <T> org.hamcrest.Matcher<T> theInstance(T target) { return...

    }

    protected void assertLocalArtifactNotPresent(Artifact artifact) throws Exception {
        ArtifactRepository localRepo = localRepository();

        String path = localRepo.pathOf(artifact);

        File file = new File(localRepo.getBasedir(), path);

        assertFalse(file.exists(), "Local artifact " + file + " should not be present.");
    }

      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier

The hypothetical commands `show w' and `show c' should show the
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