* modified without making it writable first.
*
*
- * Returns: (transfer full): TOC set, or NULL. Unref with gst_toc_unref()
- * when no longer needed
+ * Returns: (transfer full) (nullable): TOC set, or %NULL. Unref with
+ * gst_toc_unref() when no longer needed
*/
GstToc *
gst_toc_setter_get_toc (GstTocSetter * setter)