BrowseSelection sel=new BrowseSelection("location");
Properties prop = sel.getSelectionProperties();
PathFacetHandler.setDepth(prop, 1);
PathFacetHandler.setStrict(prop, true);
sel.addValue("toy/lego");
br.addSelection(sel);
FacetSpec locationOutput=new FacetSpec();
br.setFacetSpec("location", locationOutput);