findTopLevelGroups method
Returns an iterator of all Groups that are at top-level, in other words that are not themselves inside other Groups.
This is useful for when you want to traverse the diagram's graph by recursing into Groups. @return {Iterator.
Implementation
_i3.Iterator<_i3.Group> findTopLevelGroups() => _i4.callMethod(
this,
'findTopLevelGroups',
[],
);