55 int getIndex() {
return index_; }
57 int getMemberAt(
int index) {
return members_.at(index); }
58 size_t getNMembers() {
return members_.size(); }
59 std::vector<int> getMembers() {
return members_; }
61 bool setMembers(
const std::vector<int>& members) {
66 virtual void validate();
70 std::vector<int> members_;