code: function(datasetId, criteria, options, callback) {
        return metrics.timeAsyncFunc(metrics.KEYS.MONGODB_OPERATION_TIME, doListUpdates)(datasetId, criteria, options, callback);
      }
docs: List the updates that match the given list criteria
  @param {String} datasetId
  @param {Object} criteria the list criteria, a mongodb query object
  @param {Object} options options for the find option, like `limit`
  @param {Function} callback