syntax_data: {"ast_node_type":"import","tokens":[{"end":23,"kind":"keyword","start":0,"text":"use"}]}
source_snippet: use rustc_middle::ty::{
context_before: use rustc_middle::ty::fast_reject::DeepRejectCtxt;
context_after:     self, PolyTraitPredicate, SizedTraitKind, TraitPredicate, TraitRef, Ty, TyCtxt, TypeFoldable,