}

    public List<String> getDependents(String id) {
        return graph.getVertex(id).getParents().stream().map(Vertex::getLabel).collect(Collectors.toList());
    }

    public List<String> getDependencies(String id) {
        return graph.getVertex(id).getChildren().stream().map(Vertex::getLabel).collect(Collectors.toList());
    }

    public static String getId(MavenProject project) {

        Vertex c = graph.getVertex("c");
        Vertex d = graph.getVertex("d");
        assertEquals("a", a.getLabel());
        assertEquals("b", b.getLabel());
        assertEquals("c", c.getLabel());
        assertEquals("d", d.getLabel());
        assertFalse(hasEdge(graph, "b", "a"));
        assertFalse(hasEdge(graph, "a", "c"));
        assertFalse(hasEdge(graph, "a", "d"));

        private String value;

        private String[] permissions;

        private String virtualHost;

        private Locale locale;

        public String getLabel() {
            return label;
        }

        public void setLabel(final String label) {
            this.label = label;
        }

        public String getValue() {
            return value;
        }

        final List<Vertex> children = new ArrayList<>();
        final List<Vertex> parents = new ArrayList<>();

        Vertex(String label) {
            this.label = label;
        }

        String getLabel() {
            return label;
        }

        List<Vertex> getChildren() {
            return children;
        }

        List<Vertex> getParents() {
            return parents;
        }

        final List<Vertex> children = new ArrayList<>();
        final List<Vertex> parents = new ArrayList<>();

        Vertex(String label) {
            this.label = label;
        }

        String getLabel() {
            return label;
        }

        List<Vertex> getChildren() {
            return children;
        }

        List<Vertex> getParents() {
            return parents;
        }