docs: function(computedAlias) {
        var hasAllModels = !_.isUndefined(this.getMapping(computedAlias)),
          models = {};
        _.each(this.__getModelAliases(computedAlias), function(modelAlias) {
          var model = this.getTrackedModel(modelAlias);
          if (model) {
            models[modelAlias] = model;
          } else {
            hasAllModels = false;
          }
        }, this);
        return hasAllModels ? models : undefined;
      }