- * If handle points to a KeyFrames object the downcast produces
- * valid handle. If not the returned handle is left uninitialized.
- * @param[in] handle to An object
- * @return handle to a KeyFrames object or an uninitialized handle
+ * If handle points to a KeyFrames object, the downcast produces valid handle.
+ * If not, the returned handle is left uninitialized.
+ * @SINCE_1_0.0
+ * @param[in] handle Handle to an object
+ * @return Handle to a KeyFrames object or an uninitialized handle