}
            }
        }
        return version;
    }

    public static String versionlessKey(Artifact artifact) {
        return versionlessKey(artifact.getGroupId(), artifact.getArtifactId());
    }

    public static String versionlessKey(String groupId, String artifactId) {
        notBlank(groupId, "groupId can neither be null, empty nor blank");

                if (deployBuildPom) {
                    // Add the main POM as a build POM with "build" classifier
                    result.add(new DefaultArtifact(
                            main.getGroupId(),
                            main.getArtifactId(),
                            BUILD_POM_CLASSIFIER,
                            main.getExtension(),
                            main.getVersion(),

        Iterator<MavenProject> iterator = projects.iterator();
        while (iterator.hasNext()) {
            MavenProject project = iterator.next();
            projectNames.append(project.getGroupId()).append(":").append(project.getArtifactId());
            if (iterator.hasNext()) {
                projectNames.append(", ");
            }
        }
        return projectNames.toString();
    }

                    model.setModelVersion(intModelVersion);
                }
                visit(model.getParent());
                // GroupId
                String orgGroupId = model.getGroupId();
                String intGroupId = interpolate(orgGroupId);
                if (orgGroupId != intGroupId) {
                    model.setGroupId(intGroupId);
                }
                // ArtifactId

        assertEquals(0, dep1.getExclusions().size());
        Artifact depArtifact = dep1.getArtifact();
        assertEquals("ut.simple", depArtifact.getGroupId());
        assertEquals("dependency", depArtifact.getArtifactId());
        assertEquals("1.0", depArtifact.getVersion());
        assertEquals("1.0", depArtifact.getBaseVersion());
        assertNull(depArtifact.getFile());

    @Override
    public boolean include(Artifact artifact) {
        String id = artifact.getArtifactId();

        if (excludes.contains(id)) {
            return false;
        }

        id = artifact.getGroupId() + ':' + id;

        return !excludes.contains(id);
    }

    @Override
    public int hashCode() {
        int hash = 17;
        hash = hash * 31 + excludes.hashCode();
        return hash;
    }

        }
    }

    @Test
    void testBuildReader() throws Exception {
        PluginDescriptor pd = build("/plugin.xml");

        assertEquals("org.apache.maven.plugins", pd.getGroupId());
        assertEquals("maven-jar-plugin", pd.getArtifactId());
        assertEquals("2.3-SNAPSHOT", pd.getVersion());
        assertEquals("jar", pd.getGoalPrefix());

        if (system) {
            props = Collections.singletonMap(MavenArtifactProperties.LOCAL_PATH, dependency.getSystemPath());
        }

        Artifact artifact = new DefaultArtifact(
                dependency.getGroupId(),
                dependency.getArtifactId(),
                dependency.getClassifier(),
                null,
                dependency.getVersion(),
                props,
                stereotype);

        if (model != null) {
            Build build = model.getBuild();
            if (build != null) {
                for (Plugin plugin : build.getPlugins()) {
                    if (groupId.equals(plugin.getGroupId()) && artifactId.equals(plugin.getArtifactId())) {
                        return plugin;
                    }
                }

                PluginManagement mgmt = build.getPluginManagement();

        }
    }

    protected void mergeModel_GroupId(Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        String src = source.getGroupId();
        if (src != null) {
            if (sourceDominant || target.getGroupId() == null) {
                target.setGroupId(src);
                target.setLocation("groupId", source.getLocation("groupId"));
            }
        }
    }