Initial Drupal 11 with DDEV setup

web/core/modules/media/src/MediaSourceFieldConstraintsInterface.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Drupal\media;
+
+/**
+ * Defines an interface for a media source with source field constraints.
+ *
+ * This allows a media source to optionally add source field validation
+ * constraints for media items. To add constraints at the entity level, a
+ * media source can also implement MediaSourceEntityConstraintsInterface.
+ *
+ * @see \Drupal\media\MediaSourceInterface
+ * @see \Drupal\media\MediaSourceEntityConstraintsInterface
+ * @see \Drupal\media\MediaSourceBase
+ * @see \Drupal\media\Entity\Media
+ */
+interface MediaSourceFieldConstraintsInterface extends MediaSourceInterface {
+
+  /**
+   * Gets media source-specific validation constraints for a source field.
+   *
+   * @return \Symfony\Component\Validator\Constraint[]
+   *   An array of validation constraint definitions, keyed by plugin IDs. The
+   *   corresponding values are options for each validation plugin.
+   *   Each constraint definition can be used for instantiating
+   *   \Symfony\Component\Validator\Constraint objects.
+   */
+  public function getSourceFieldConstraints();
+
+}