async fn describe_log_groups(
        &self,
        input: DescribeLogGroupsRequest,
    ) -> Result<DescribeLogGroupsResponse, RusotoError<DescribeLogGroupsError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "Logs_20140328.DescribeLogGroups");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, DescribeLogGroupsError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<DescribeLogGroupsResponse, _>()
    }
<p>Lists the specified log groups. You can list all your log groups or filter the results by prefix. The results are ASCII-sorted by log group name.</p>
rusoto/services/logs/src/generated.rs