pub(crate) fn gen_fn_callback_s8_no_env<A1: FromToNativeWasmType, A2: FromToNativeWasmType, A3: FromToNativeWasmType, A4: FromToNativeWasmType, A5: FromToNativeWasmType, A6: FromToNativeWasmType, A7: FromToNativeWasmType, A8: FromToNativeWasmType, Rets: WasmTypeList, RetsAsResult: IntoResult<Rets>, Func: Fn(A1, A2, A3, A4, A5, A6, A7, A8) -> RetsAsResult + 'static>(
this: &Func,
) -> VMFunctionCallback