code: function reIndex(coll, options, callback) {
    // Reindex
    const cmd = { reIndex: coll.s.name };
  
    // Execute the command
    executeCommand(coll.s.db, cmd, options, (err, result) => {
      if (callback == null) return;
      if (err) return handleCallback(callback, err, null);
      handleCallback(callback, null, result.ok ? true : false);
    });
  }
docs: Reindex all indexes on the collection.
  
  @method
  @param {Collection} a Collection instance.
  @param {Object} [options] Optional settings. See Collection.prototype.reIndex for a list of options.
  @param {Collection~resultCallback} [callback] The command result callback