code: function (mode, scope, callback) {
      var executeSeed = load('seed');
      if (scope) {
        this.internals.migrationMode = scope;
        this.internals.matching = scope;
      }
  
      this.internals.mode = mode || 'vc';
      return Promise.fromCallback(
        function (callback) {
          executeSeed(this.internals, this.config, callback);
        }.bind(this)
      ).asCallback(callback);
    }
docs: Seeds either the static or version controlled seeders, controlled by
  the passed mode.