Version 5.0.0 beta 8

system/Widget/Polymorphic.php

@@ -31,4 +31,12 @@ interface Polymorphic
 	 * @return string
 	 */
 	public static function getBaseKey() : string;
+
+	/**
+	 * Return a list of all implemented keys. When the class name is dynamically generated,
+	 * we don't have an easy way to determine if we should actually load the class or not.
+	 *
+	 * @return array
+	 */
+	public static function getWidgetKeys() : array;
 }