{"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"hir::GenericBound::Use(args,"}]}
        hir::GenericBound::Use(args, ..) => {
    tcx.hir_node_by_def_id(def_id).expect_opaque_ty().bounds.iter().find_map(|bound| match bound {
            Some(&*tcx.arena.alloc_from_iter(args.iter().map(|arg| match arg {