class Container

Array<IComponent> children_

ILayoutStrategy layout_

__dagonChildren() -> Array<IComponent>

__dagonContentRect() -> Rect

add(IComponent child) -> Container

arrange(Rect assigned) -> void

children() -> Array<IComponent>

clear() -> Container

contentDesired(Size avail) -> Size

contentRect() -> Rect

layout() -> ILayoutStrategy

paint(Canvas c) -> void

remove(IComponent child) -> Container

setLayout(ILayoutStrategy l) -> Container

wouldCreateCycle(IComponent | None cursor, IComponent child) -> bool