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;
        }