/// <summary>
 /// Adds the specified facet.
 /// </summary>
 /// <param name="facet">The facet.</param>
 internal void Add(SearchFacet facet)
 {
     Facets.Add(facet);
 }
 /// <summary>
 /// Adds the specified facet.
 /// </summary>
 /// <param name="facet">The facet.</param>
 internal void Add(SearchFacet facet)
 {
     Facets.Add(facet);
 }