Multiple inheritance not showing for interfaces in class hierarchy
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3086334. -->
Reported by: [jhodgdon](https://www.drupal.org/user/155601)
>>>
<p>On an interface with multiple inheritance, such as</p>
<pre>interface ConstraintViolationListInterface extends \Traversable, \Countable, \ArrayAccess</pre><p>
Only one of the interfaces this extends is shown. All of them should be.</p>
> Related issue: [Issue #3084592](https://www.drupal.org/node/3084592)
issue