Aqueduct.SitecoreLib.Search.Searcher.ApplyTemplateFilter C# (CSharp) Method

      protected void ApplyTemplateFilter(CombinedQuery query, string templateIds)
      {
         if (String.IsNullOrEmpty(templateIds)) return;

         templateIds = IdHelper.NormalizeGuid(templateIds);
         var fieldQuery = new FieldQuery(BuiltinFields.Template, templateIds);
         query.Add(fieldQuery, QueryOccurance.Must);
      }