async fn get_account_settings(
        &self,
    ) -> Result<GetAccountSettingsResult, RusotoError<GetAccountSettingsError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "DeviceFarm_20150623.GetAccountSettings");
        request.set_payload(Some(bytes::Bytes::from_static(b"{}")));

        let response = self
            .sign_and_dispatch(request, GetAccountSettingsError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<GetAccountSettingsResult, _>()
    }
<p>Returns the number of unmetered iOS or unmetered Android devices that have been purchased by the account.</p>
rusoto/services/devicefarm/src/generated.rs