protected virtual void VisitConstantRelation(BoundConstantRelation node) { }
protected virtual BoundRelation RewriteConstantRelation(BoundConstantRelation node) { return(node); }
protected virtual void VisitConstantRelation(BoundConstantRelation node) { }
protected virtual BoundRelation RewriteConstantRelation(BoundConstantRelation node) { return(node); }