async fn get_service_quota(
        &self,
        input: GetServiceQuotaRequest,
    ) -> Result<GetServiceQuotaResponse, RusotoError<GetServiceQuotaError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "ServiceQuotasV20190624.GetServiceQuota");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, GetServiceQuotaError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<GetServiceQuotaResponse, _>()
    }
<p>Retrieves the applied quota value for the specified quota. For some quotas, only the default values are available. If the applied quota value is not available for a quota, the quota is not retrieved.</p>
rusoto/services/service-quotas/src/generated.rs