/**
* gtk_constraint_guide_get_min_size:
* @guide: a `GtkConstraintGuide` object
- * @width: (nullable): return location for the minimum width
- * @height: (nullable): return location for the minimum height
+ * @width: (out) (optional): return location for the minimum width
+ * @height: (out) (optional): return location for the minimum height
*
* Gets the minimum size of @guide.
*/
/**
* gtk_constraint_guide_get_nat_size:
* @guide: a `GtkConstraintGuide` object
- * @width: (nullable): return location for the natural width
- * @height: (nullable): return location for the natural height
+ * @width: (out) (optional): return location for the natural width
+ * @height: (out) (optional): return location for the natural height
*
* Gets the natural size of @guide.
*/
/**
* gtk_constraint_guide_get_max_size:
* @guide: a `GtkConstraintGuide` object
- * @width: (nullable): return location for the maximum width
- * @height: (nullable): return location for the maximum height
+ * @width: (out) (optional): return location for the maximum width
+ * @height: (out) (optional): return location for the maximum height
*
* Gets the maximum size of @guide.
*/