syntax_data: {"ast_node_type":"import","tokens":[{"end":62,"kind":"keyword","start":0,"text":"use"}]}
source_snippet: use rustc_infer::infer::canonical::{Canonical, QueryResponse};
context_before: use rustc_infer::infer::TyCtxtInferExt;
context_after: use rustc_infer::traits::PredicateObligations;