RepeaterGroup.getAllGroupingHierarchiesAndSlicers Method
        
 Gets all the grouping hierarchies and slicers that apply to this group.  These are all the hierarchies of this
 group, plus all row/column grouping hierarchies inherited from any parent groups.
 
         
        Return Value
        
Type: Array
        
ElementType: GroupingHierarchy
        
All grouping hierarchies including inherited hierarchies.