return this.np.accept(filterDumper);
}
@Override
public String toString(final lupos.rdf.Prefix prefixInstance) {
final SPARQLParserVisitorImplementationDumper filterDumper = new SPARQLParserVisitorImplementationDumperShort(
prefixInstance);
String result = this.np.accept(filterDumper);
if (this.cardinality >= 0) {
result += "\nCardinality: " + this.cardinality;