return map(new Object[] { "isa", "PBXGroup", "refType", "\"<group>\"", "name", _name, "children", _childrenIDs });
return map(new Object[] { "isa", "PBXGroup", "refType", "<group>", "name", _name, "children", _childrenIDs });
  protected Map newGroup(String _name, List _childrenIDs) {    return map(new Object[] { "isa", "PBXGroup", "refType", "\"<group>\"", "name", _name, "children", _childrenIDs });  }