- * @param type type of transform to create
- * @param id transform id specifc for the transform type
- * @param key_length key length for key length attribute, 0 to omit
- * @return transform_substructure_t object
+ * @param type TRANSFORM_SUBSTRUCTURE or TRANSFORM_SUBSTRUCTURE_V1
+ * @param type_or_number Type (IKEv2) or number (IKEv1) of transform
+ * @param id transform id specifc for the transform type
+ * @param key_length key length for key length attribute, 0 to omit
+ * @return transform_substructure_t object