>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3538813. --> Reported by: [d34dman](https://www.drupal.org/user/751698) >>> <ul> <li>Create <del>FlowDropNodeProcessorManager</del><code>FlowDropNodeProcessorPluginManager</code> extending <code>DefaultPluginManager</code>.</li> <li>Set discovery namespace to <code>Plugin/FlowDropNodeProcessor</code>.</li> <li><del> Configure caching using <code>cache.discovery</code> bin to optimize performance.</del></li> </ul>