docs: function RadioFieldDirective($sce, $log, FormForConfiguration) {
              this.require = '^formFor';
              this.restrict = 'EA';
              this.templateUrl = function ($element, $attributes) {
                  return $attributes['template'] || 'form-for/templates/radio-field.html';
              };
              this.scope = {
                  attribute: '@',
                  disable: '=',
                  help: '@?',
                  options: '=',
                  value: '@'
              };
              fieldHelper_ = new formFor.FieldHelper(FormForConfiguration);
              $sce_ = $sce;
              $log_ = $log;
          }