final OperatorConnection connection = new OperatorConnection(newResult);
this.visit((ASTGroupConstraint) n.jjtGetChild(0), connection, graphConstraint);
collectionClone.deleteParents();
collectionClone.setParents();
collectionClone.detectCycles();
collectionClone.sendMessage(new BoundVariablesMessage());
final CorrectOperatorgraphRulePackage recog = new CorrectOperatorgraphRulePackage();
recog.applyRules(collectionClone);
filter.getCollectionForExistNodes().put((SimpleNode) n, collectionClone);