public SearchFacetInfo(SearchResponse.FacetFields facetFields)
{
for (int i = 0; i < facetFields.itemType.Count; i += 2)
{
SearchItemType itemType = SearchItemTypeEnumExtensions.FromSearchQueryTerm((string)facetFields.itemType[i]);
long count = (long)facetFields.itemType[i + 1];
ItemType.Add(itemType, (int)count);
}
ConvertListToMap(facetFields.productType, ProductType);
ConvertListToMap(facetFields.mission, Mission);
ConvertListToMap(facetFields.instrument, Instrument);
}