The RefinementsByGroupAbstractionPlugin retrieves refinements available
for the current record set, grouped by dimension group names;
it adds its data to the AbstractedResults object, under the key "Refinements".
The RefinementsByGroupAbstractionPlugin retrieves refinements available
for the current record set, grouped by dimension group names;
it adds its data to the AbstractedResults object, under the key "Refinements".
The ResultSetMetaInfoAbstractionPlugin retrieves information related to the result set
(for instance, number of records, records per page, records returned, etc.)
It adds its data to the AbstractedResults object, under the key "MetaInfo".