Dave Long
--- a/core/lib/Drupal/Core/Queue/QueueFactoryInterface.php 0 → 100644
+++ b/core/lib/Drupal/Core/Queue/QueueFactoryInterface.php 0 → 100644
+
+/**
+ * An interface defining queue factory classes.
+ */
+interface QueueFactoryInterface {
+
+  /**
+   * Constructs a new queue object for a given name.
+   *
+   * @param string $name
+   *   The name of the queue.
+   *
+   * @return \Drupal\Core\Queue\QueueInterface
+   *   The queue object.
+   */
+  public function get($name);
-  public function get($name);
+  public function get(string $name): QueueInterface;