syntax_data: {"ast_node_type":"import","tokens":[{"end":55,"kind":"keyword","start":0,"text":"use"}]}
source_snippet: use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt};
context_before: use rustc_middle::ty::fast_reject::{self, SimplifiedType, TreatParams};
context_after: use tracing::{debug, instrument};