{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"rustc_ty::TyKind::FnPtr(sig_tys,"}]}
                rustc_ty::TyKind::FnPtr(sig_tys, hdr)
                let (sig_tys, hdr) = sig.internal(tables, tcx).split();
            }