Valor devuelto por FindOnEnDupdate

const filter = { age: 17 };
const doc = { $set: { name: "Naomi" } };
const options = { new: true };

Cat.findOneAndUpdate(filter, doc, options, (err, doc) => {
    if (err) console.log("Something wrong when updating data!");
    console.log(doc);
});
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