Function paged 

pub fn paged<R, T>(
    runner: &Arc<R>,
    url: &str,
    list_args: Option<ListBodyArgs>,
    request_headers: Headers,
    iter_over_sub_array: Option<&str>,
    operation: ApiOperation,
    mapper: impl Fn(&Value) -> T,
) -> Result<Vec<T>>
where
    R: HttpRunner<Response = HttpResponse>,
    T: Clone + Timestamp + Into<DisplayBody>,