Function async_google_apis_common::do_download

pub async fn do_download<Req: Serialize, '_, '_, '_, '_, '_>(
    cl: &'_ TlsClient, 
    path: &'_ str, 
    headers: &'_ [(String, String)], 
    http_method: &'_ str, 
    rq: Option<Req>, 
    dst: &'_ mut dyn Write
) -> Result<()>