{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"rustc_middle::ty::EarlyBinder<'tcx,"}]}
                    rustc_middle::ty::EarlyBinder<'tcx, rustc_middle::ty::Ty<'tcx>>
                    rustc_hir::def_id::DefId,
                >,