*/
    public MavenProject getParent() {
        return parent;
    }

    public void setParent(MavenProject parent) {
        this.parent = parent;
    }

    public boolean hasParent() {
        return getParent() != null;
    }

    public File getFile() {
        return file;
    }

                            }
                        }
                    }
                }
                project.setParent(parent);
                if (project.getParentFile() == null && parent != null) {
                    project.setParentFile(parent.getFile());
                }
            }
        }

                        Files.createDirectories(path.getParent());
                        Files.copy(zis, path, StandardCopyOption.REPLACE_EXISTING);
                    } else if ("css".equals(names[0])) {
                        names[0] = themeName;
                        final Path path = ResourceUtil.getCssPath(names);
                        Files.createDirectories(path.getParent());

        String groupId = m.getGroupId();
        if (groupId == null && m.getParent() != null) {
            groupId = m.getParent().getGroupId();
        }

        String version = m.getVersion();
        if (version == null && m.getParent() != null) {
            version = m.getParent().getVersion();
        }

        return new RelativeProject(groupId, m.getArtifactId(), version);
    }

                })
                .orElse(null);
    }

    private String getVersion(Model model) {
        String version = model.getVersion();
        if (version == null && model.getParent() != null) {
            version = model.getParent().getVersion();
        }
        return version;
    }

    void put(Path pomFile, Model model) {
        modelsByPath.put(pomFile, model);
        modelsByGa

        // we want to see all top-level thread groups
        ThreadGroup tg = Thread.currentThread().getThreadGroup();
        while (tg.getParent() == null) {
            tg = tg.getParent();
        }

        ThreadGroup[] tgList = new ThreadGroup[tg.activeGroupCount()];
        tg.enumerate(tgList);

        boolean seen = false;

        String groupId = model.getGroupId();
        if (groupId == null && model.getParent() != null) {
            groupId = model.getParent().getGroupId();
        }
        String artifactId = model.getArtifactId();
        String version = model.getVersion();
        if (version == null && model.getParent() != null) {
            version = model.getParent().getVersion();
        }
        return toId(groupId, artifactId, version);
    }

    }

    public void merge(File current, File result) throws RepositoryException {
        try {
            if (current.exists()) {
                Files.createDirectories(result.toPath().getParent());
                Files.copy(current.toPath(), result.toPath());
            }
            ArtifactRepository localRepo = new MetadataRepository(result);
            metadata.storeInLocalRepository(localRepo, localRepo);

        MavenProject project0 = getProjectWithDependencies(pom0);
        MavenProject project1 = getProjectWithDependencies(pom1);

        assertNotNull(project1.getParent(), "Parent is null");
        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        Map map = project1.getArtifactMap();

        assertNotNull(map, "No artifacts");
        assertTrue(map.size() > 0, "No Artifacts");

        if (groupId == null && model.getParent() != null) {
            groupId = model.getParent().getGroupId();
        }
        return groupId;
    }

    private String getVersion(Model model) {
        String version = model.getVersion();
        if (version == null && model.getParent() != null) {
            version = model.getParent().getVersion();
        }
        return version;
    }