typeresizeObserver= {}

typeresizeObserverBoxOptions=
| @as("border-box")BorderBox
| @as("content-box")ContentBox
| @as("device-pixel-content-box")DevicePixelContentBox

typeresizeObserverCallback=array<
resizeObserverEntry,
>=>resizeObserver=>unit

typeresizeObserverEntry= {
target:WebAPI.DOMAPI.element,
contentRect:WebAPI.DOMAPI.domRectReadOnly,
borderBoxSize:array<resizeObserverSize>,
contentBoxSize:array<resizeObserverSize>,
devicePixelContentBoxSize:array<resizeObserverSize>,
}

typeresizeObserverOptions= {
mutablebox?:resizeObserverBoxOptions,
}

typeresizeObserverSize= {
inlineSize:float,
blockSize:float,
}