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Introduction to namespaces

PHP classes, interfaces, and traits in Drupal are namespaced. See the Objected-oriented programming conventions for more information.

See also

Objected-oriented programming conventions

Namespace
Drupal\Component\Transliteration
Drupal\Component\Utility
Drupal\Component\Uuid
Drupal\Component\Version
Drupal\Composer
Drupal\Composer\Generator
Drupal\Composer\Generator\Builder
Drupal\Composer\Generator\Util
Drupal\Composer\Plugin\ProjectMessage
Drupal\Composer\Plugin\Scaffold
Drupal\Composer\Plugin\Scaffold\Operations
Drupal\Composer\Plugin\VendorHardening
Drupal\Composer\Util
Drupal\condition_test
Drupal\config
Drupal\config\Controller
Drupal\config\Form
Drupal\config_collection_install_test
Drupal\config_entity_static_cache_test
Drupal\config_events_test
Drupal\config_import_test
Drupal\config_override_integration_test
Drupal\config_override_integration_test\Cache
Drupal\config_override_test
Drupal\config_override_test\Cache
Drupal\config_test
Drupal\config_test\Entity
Drupal\config_transformer_test
Drupal\config_translation
Drupal\config_translation\Access
Drupal\config_translation\Controller
Drupal\config_translation\Event
Drupal\config_translation\Exception
Drupal\config_translation\Form
Drupal\config_translation\FormElement
Drupal\config_translation\Plugin\Derivative
Drupal\config_translation\Plugin\Menu\ContextualLink
Drupal\config_translation\Plugin\Menu\LocalTask
Drupal\config_translation\Plugin\migrate\source\d6
Drupal\config_translation\Routing
Drupal\config_translation_test\EventSubscriber
Drupal\contact
Drupal\contact\Access
Drupal\contact\Controller
Drupal\contact\Entity
Drupal\contact\Plugin\migrate\source
Drupal\contact\Plugin\rest\resource
Drupal\contact\Plugin\views\field
Drupal\container_rebuild_test
Drupal\content_moderation

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