using @mizchi/crater-painter/paint/diff { type PaintLayoutShift }

using @mizchi/crater-painter/paint/model { type PaintNode }

using @mizchi/crater-painter/paint/model { type PaintProperties }

using @mizchi/crater-painter/paint/diff { type PaintPropertyChange }

using @mizchi/crater-painter/paint/diff { type PaintTreeDiff }

using @mizchi/crater-painter/paint/scroll { type ScrollableElement }

using @mizchi/crater-painter/paint/scroll { type ScrollableHitResult }

fn collect_scrollable_elements(node : 
@mizchi/crater-painter/paint/model.PaintNode
PaintNode) -> Array[
@mizchi/crater-painter/paint/scroll.ScrollableElement
ScrollableElement]

fn diff_trees(before : 
@mizchi/crater-painter/paint/model.PaintNode
PaintNode, after : 
@mizchi/crater-painter/paint/model.PaintNode
PaintNode) -> 
@mizchi/crater-painter/paint/diff.PaintTreeDiff
PaintTreeDiff

fn find_scrollable_at(node : 
@mizchi/crater-painter/paint/model.PaintNode
PaintNode, x : Double, y : Double, parent_x : Double, parent_y : Double) -> 
@mizchi/crater-painter/paint/scroll.ScrollableHitResult
ScrollableHitResult?

fn flatten_for_rendering(node : 
@mizchi/crater-painter/paint/model.PaintNode
PaintNode) -> Array[
@mizchi/crater-painter/paint/model.PaintNode
PaintNode]

fn from_layout(layout : 
@mizchi/crater-layout/types.Layout
Layout) -> 
@mizchi/crater-painter/paint/model.PaintNode
PaintNode

fn from_node_and_layout(node : 
@mizchi/crater-layout/node.Node
Node, layout : 
@mizchi/crater-layout/types.Layout
Layout) -> 
@mizchi/crater-painter/paint/model.PaintNode
PaintNode

fn from_node_and_layout_with_viewport(node : 
@mizchi/crater-layout/node.Node
Node, layout : 
@mizchi/crater-layout/types.Layout
Layout, viewport_top : Double, viewport_bottom : Double, parent_y : Double) -> 
@mizchi/crater-painter/paint/model.PaintNode
PaintNode?

fn sort_by_stacking_order(nodes : Array[
@mizchi/crater-painter/paint/model.PaintNode
PaintNode]) -> Array[
@mizchi/crater-painter/paint/model.PaintNode
PaintNode]

fn sort_tree_by_stacking_order(node : 
@mizchi/crater-painter/paint/model.PaintNode
PaintNode) -> 
@mizchi/crater-painter/paint/model.PaintNode
PaintNode