docs/code-frags/counter-col/lib/CounterCol.js
function(object, options) {
          return this.collection.findOneAndReplace(
            {_id: object._id}, object, {returnOriginal: false}).value
        }
function(object, options) {
          return this.collection.findOneAndReplace(
            {_id: object._id}, object, {returnOriginal: false}).value
        }
post-save-mongoCounterBasic pre-saveObject-mongoCounterBasic