{{! action groups are block only components, you MUST specify a list of actions in the component body }}
{{! therefore if you call this component as an inline component, nothing is produced }}
{{#if hasBlock }}
  <input type="radio" name="actions" id="actions_{{index}}" checked={{if (eq checked 'checked') 'checked'}} onchange={{action onchange}} value={{index}} />
  <label for="actions_{{index}}">
    <span>Open</span>
  </label>
  <label for="actions_close">
    <span>Close</span>
  </label>
  <div>
    {{yield}}
  </div>
{{/if}}