--- /dev/null
+<?php
+/**
+ * Customize API: WP_Customize_Filter_Setting class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * A setting that is used to filter a value, but will not save the results.
+ *
+ * Results should be properly handled using another setting or callback.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Setting
+ */
+class WP_Customize_Filter_Setting extends WP_Customize_Setting {
+
+ /**
+ * @since 3.4.0
+ */
+ public function update( $value ) {}
+}