/**
* gtk_gesture_drag_get_start_point:
* @gesture: a `GtkGesture`
- * @x: (out) (nullable): X coordinate for the drag start point
- * @y: (out) (nullable): Y coordinate for the drag start point
+ * @x: (out) (optional): X coordinate for the drag start point
+ * @y: (out) (optional): Y coordinate for the drag start point
*
* Gets the point where the drag started.
*
/**
* gtk_gesture_drag_get_offset:
* @gesture: a `GtkGesture`
- * @x: (out) (nullable): X offset for the current point
- * @y: (out) (nullable): Y offset for the current point
+ * @x: (out) (optional): X offset for the current point
+ * @y: (out) (optional): Y offset for the current point
*
* Gets the offset from the start point.
*
/**
* gtk_popover_get_offset:
* @popover: a `GtkPopover`
- * @x_offset: (out) (nullable): a location for the x_offset
- * @y_offset: (out) (nullable): a location for the y_offset
+ * @x_offset: (out) (optional): a location for the x_offset
+ * @y_offset: (out) (optional): a location for the y_offset
*
* Gets the offset previous set with [method@Gtk.Popover.set_offset()].
*/