demo/amd/rjs/output/unified/marionette-build.js
function(hash, properties) {
      var ui = _.result(this, 'ui');
      var uiBindings = _.result(this, '_uiBindings');
      return Marionette.normalizeUIValues(hash, uiBindings || ui, properties);
    }
function(hash, properties) {
      var ui = _.result(this, 'ui');
      var uiBindings = _.result(this, '_uiBindings');
      return Marionette.normalizeUIValues(hash, uiBindings || ui, properties);
    }
normalize the values of passed hash with the views `ui` selectors. `{foo: "@ui.bar"}`