/**
  * Search for a placement by road ref.
  *
  * @param request search parameters
  * @return
  */
 public Optional<RoadPlacement> findPlacement(RoadRefRequest request) {
   return getResults(
       "vegreferanse", request.getQueryParam(), request.getProjection().orElse(null));
 }
 /**
  * @param request
  * @return
  * @deprecated Use {@link #findPlacement(RefLinkRequest)}
  */
 @Deprecated
 public RoadPlacement getRoadPlacement(RoadRefRequest request, Projection projection) {
   return getResults("vegreferanse", request.getQueryParam(), projection).orElse(null);
 }