if (groupInfo.getMembers().isPresent()) {
this.members = new ArrayList<>(groupInfo.getMembers().get().size());
for (SignalServiceAddress address : groupInfo.getMembers().get()) {
if (groupInfo.getMembers().isPresent()) {
this.members = new ArrayList<>(groupInfo.getMembers().get().size());
for (SignalServiceAddress address : groupInfo.getMembers().get()) {