{"ast_node_type":"import","tokens":[{"end":86,"kind":"keyword","start":0,"text":"use"}]}
use rustc_middle::ty::{self, ReBound, ReStatic, ReVar, Region, RegionVid, Ty, TyCtxt};
use rustc_macros::{TypeFoldable, TypeVisitable};
use rustc_middle::{bug, span_bug};