ParentMember getMember(String name) {
final ParentMember getMember(String name) {
    ParentMember getMember(String name) {        if (fullNameToMember.containsKey(name)) {            return fullNameToMember.get(name);        } else if(nameToMember.containsKey(name)) {            return nameToMember.get(name);        } else {            return null;        }    }