public static void DeleteAll <TIndexCreator>(this IDocumentSession session, string query = null) where TIndexCreator : AbstractIndexCreationTask, new()
 {
     session.DocumentStore().DeleteAll <TIndexCreator>(query);
 }
 public static string Id <T>(this IDocumentSession session, string id)
 {
     return(session.DocumentStore().Id <T>(id));
 }