static private URIReference _rdf_n[] = new URIReference[0];
static private URIReference rdf_n(int i) {
if (i >= _rdf_n.length) {
int newLength = (i + 10) * 3 / 2;
URIReference new_rdf_n[] = new URIReference[newLength];
System.arraycopy(_rdf_n, 0, new_rdf_n, 0, _rdf_n.length);
for (int j = _rdf_n.length; j < newLength; j++) {
new_rdf_n[j] = URIReference.createNoChecks(rdfns + "_" + j);
}
_rdf_n = new_rdf_n;