pub(crate) fn process_box_areas_request(
stacking_context_tree: &StackingContextTree,
node: ServoThreadSafeLayoutNode<'_>,
area: BoxAreaType,
) -> CSSPixelRectIteratorpub(crate) fn process_box_areas_request(
stacking_context_tree: &StackingContextTree,
node: ServoThreadSafeLayoutNode<'_>,
area: BoxAreaType,
) -> CSSPixelRectIterator