//! `foundation` — the bottom layer: errors, units, geometry primitives, and the
//! universal `Stats` aggregation result. Imports from nothing above it.
pubmoderror;pubmodunits;pubmodgeometry;pubmodstats;pubuseerror::{GeoError,Result};pubusegeometry::{BBox, GridGeometry, Point3};pubusestats::Stats;pubuseunits::Unit;