{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"vec![Ty::new_imm_ref(tcx,"}]}
                vec![Ty::new_imm_ref(tcx, ty::Region::new_bound(tcx, ty::INNERMOST, br), param(0))],
                0,
                Ty::new_projection_from_args(