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- <?php
- namespace Drupal\Core\Extension;
- /**
- * Provides a list of available theme engines.
- *
- * @internal
- * This class is not yet stable and therefore there are no guarantees that the
- * internal implementations including constructor signature and protected
- * properties / methods will not change over time. This will be reviewed after
- * https://www.drupal.org/project/drupal/issues/2940481
- */
- class ThemeEngineExtensionList extends ExtensionList {
- /**
- * {@inheritdoc}
- */
- protected $defaults = [
- 'dependencies' => [],
- 'description' => '',
- 'package' => 'Other',
- 'version' => NULL,
- 'php' => DRUPAL_MINIMUM_PHP,
- ];
- /**
- * {@inheritdoc}
- */
- protected function getInstalledExtensionNames() {
- // Theme engines do not have an 'install' state, so return names of all
- // discovered theme engines.
- return array_keys($this->extensions);
- }
- }
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