code: function updateMany(coll, filter, update, options, callback) {
    // Set single document update
    options.multi = true;
    // Execute update
    updateDocuments(coll, filter, update, options, (err, r) => updateCallback(err, r, callback));
  }
docs: Update multiple documents in the collection.
  
  @method
  @param {Collection} a Collection instance.
  @param {object} filter The Filter used to select the documents to update
  @param {object} update The update operations to be applied to the document
  @param {object} [options] Optional settings. See Collection.prototype.updateMany for a list of options.
  @param {Collection~updateWriteOpCallback} [callback] The command result callback