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::traits::{BuiltinImplSource, CodegenObligationError};
context_after:     self, ClosureKind, GenericArgsRef, Instance, PseudoCanonicalInput, TyCtxt, TypeVisitableExt,