>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3574544. --> Reported by: [ahmad khader](https://www.drupal.org/user/3727855) Related to !7 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>The DocumentLoaderTypePluginManager passes just 'DocumentLoaderType' as the subdir, but Drupal convention is 'Plugin/DocumentLoaderType'. The DocumentLoaderType subdir tells the discovery to look in src/DocumentLoaderType/, NOT src/Plugin/DocumentLoaderType/</p> <h4 id="summary-steps-reproduce">Steps to reproduce</h4> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <h3 id="summary-remaining-tasks">Remaining tasks</h3> <h3 id="summary-ui-changes">User interface changes</h3> <h3 id="summary-api-changes">API changes</h3> <h3 id="summary-data-model-changes">Data model changes</h3>