anchor.diff:                    effectAll,
                     setMembers,
                     controlHover,
  -                  addDividerLine,
                     clickBranch;
   
                 if (!$parentNodes.length) { return; }
  
positive.code: 
    GOVUK.tariff = {
        /**
          @name GOVUK.tariff.tree
          @object
          @description Behaviours for expandable trees
  
negative.code:           this.searchForm.initialize();
            this.countryPicker.initialize();
            this.breadcrumbs.initialize();
            this.tableEnhancements.initialize();
        },
    };
  
  