Gets the dimension groups of the dimensions for the descriptors for this navigation.
The dimension groups of the dimensions of the descriptors.
Assembly: Endeca.Navigation (Module: Endeca.Navigation) Version: 0.0.0.0
Similar to DescriptorDimensions except that the dimensions are grouped by their dimension groups. Returns an empty DimGroupList if there are no descriptors. Unlike the descriptor dimensions, these dim groups are presented in MDEX Engine determined dimension order as opposed to the query specified descriptor order.