LocalProperties lp1 = in1.getLocalProperties().clone().filterByNodesConstantSet(this, 0);
LocalProperties lp2 = in2.getLocalProperties().clone().filterByNodesConstantSet(this, 1);
LocalProperties locals = operator.computeLocalProperties(lp1, lp2);
node.initProperties(combined, locals);
node.updatePropertiesWithUniqueSets(getUniqueFields());
target.add(node);
}
}