{"ast_node_type":"import","tokens":[{"end":39,"kind":"keyword","start":0,"text":"use"}]}
use rustc_infer::infer::TyCtxtInferExt;
use rustc_hir::{self as hir, AmbigArg, ForeignItem, ForeignItemKind};
use rustc_infer::traits::{ObligationCause, ObligationCauseCode, WellFormedLoc};