if(literalRange != null) {
Collection<Resource> dts = graph.getAssertedObjects(literalRange, L0.HasDataType);
if(dts.size() == 1) {
if(literalRange != null) {
Collection<Resource> dts = graph.getAssertedObjects(literalRange, L0.HasDataType);
if(dts.size() == 1) {