ambari/ambari-web/app/templates/main/alerts/configs.hbs

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<form class="form-horizontal alert-configs">
  {{#each property in controller.configs}}
    <div {{bindAttr class=":control-group property.name property.isValid::error"}}>
      {{#if property.isPreLabeled}}
        <label {{bindAttr class=":control-label property.isShifted:shifted"}}>{{property.label}}</label>

        <div {{bindAttr class=":controls property.isShifted:shifted"}}>
          {{view property.viewClass propertyBinding="property"}}
        </div>
      {{else}}
        <div class="controls">
          <label class="radio">
            {{view property.viewClass propertyBinding="property"}}
            {{property.label}}
          </label>
        </div>
      {{/if}}
    </div>
  {{/each}}
</form>