Squashed 'includes/lib/action-scheduler/' content from commit c82834771

git-subtree-dir: includes/lib/action-scheduler
git-subtree-split: c828347715e6c3318c8ab8b4fea2d87b31d51aac

classes/schedules/ActionScheduler_Schedule.php

@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * Class ActionScheduler_Schedule
+ */
+interface ActionScheduler_Schedule {
+	/**
+	 * @param null|DateTime $after Timestamp.
+	 * @return DateTime|null
+	 */
+	public function next( DateTime $after = NULL );
+
+	/**
+	 * @return bool
+	 */
+	public function is_recurring();
+}