getGroup method
Implementation
(FGroup, AdditionalGroupConfigs) getGroup(int i) {
final group = _getOnlyGroup(i);
final additionalConfigs = AdditionalGroupConfigs(
isEmpty: isGroupEmpty(group),
correctedSpace: (groupLabelMaxSpace != null)
? (groupLabelMaxSpace! - _groupLabelSizes[i].getDim(directionNp))
: 0.0,
);
return (group, additionalConfigs);
}