Set<String> usedBNodeIds = BlankNodeVarProcessor.process(uc);
BlankNodeVarProcessor.process(qc); if (qc.containsQuery()) { TupleExpr tupleExpr;
Map<String, String> prefixes = PrefixDeclProcessor.process(qc); WildcardProjectionProcessor.process(qc); BlankNodeVarProcessor.process(qc);
final Map<String, String> prefixes = parseHelper(qc); // [FC] changed WildcardProjectionProcessor.process(qc); BlankNodeVarProcessor.process(qc); if (qc.containsQuery()) { TupleExpr tupleExpr;