{{! 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>
  {{yield}}
{{/if}}