protected virtual IEnumerable <BaseFacet> GlobalFacets(IReadOnlyDictionary <string, IAggregate> facets, string facetName)
{
var aggregations = new AggregationsHelper(facets);
var globalAggregations = new AggregationsHelper(aggregations.Global(facetName).Aggregations);
var globalFilter = globalAggregations.Filter(SearchConstants.SearchFacetNames.GlobalFilter);
var items = globalFilter.Terms(facetName).Buckets.Select(bucket => new BaseFacet {
Name = bucket.Key, Count = bucket.DocCount ?? default
});
