parent2.addMember(new RelationMember("", child1));
Node child2 = ds.addNode(2);
child2.put("type", "child2");
child2.put("name", "child2");
parent1.addMember(new RelationMember("", child2));
parent2.addMember(new RelationMember("", child2));
StringBuilder sb = new StringBuilder();
TemplateEntry entry = parser.parse();
entry.appendText(sb, parent2);