A question that locates something in an image. The answer is a
TypeSafe.BoxAnswer: the box's four edges, as fractions of the image.
Build one with TypeSafe.box/1. It needs an image (see TypeSafe.Image) and
jev-1.14.0 or later, or jev-preview.
Summary
Types
@type t() :: %TypeSafe.Box{instructions: TypeSafe.json()}