PersistentHeaderShowOnScreenConfiguration constructor
Creates an object that specifies how a pinned or floating persistent header should behave in response to RenderObject.showOnScreen calls.
Implementation
const PersistentHeaderShowOnScreenConfiguration({
this.minShowOnScreenExtent = double.negativeInfinity,
this.maxShowOnScreenExtent = double.infinity,
}) : assert(minShowOnScreenExtent <= maxShowOnScreenExtent);