How Do I Limit the Rate During Object Download? (SDK for Java)

import com.obs.services.ObsClient;
import com.obs.services.exception.ObsException;
import com.obs.services.model.ObsObject;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
public class UserHeaders003 {
    public static void main(String[] args) {
        // Obtain an AK/SK pair using environment variables or import the AK/SK pair in other ways. Using hard coding may result in leakage.
        // Obtain an AK/SK pair on the management console.
        String ak = System.getenv("ACCESS_KEY_ID");
        String sk = System.getenv("SECRET_ACCESS_KEY_ID");
        // (Optional) If you are using a temporary AK/SK pair and a security token to access OBS, you are not advised to use hard coding, which may result in information leakage.
        // Obtain an AK/SK pair and a security token using environment variables or import them in other ways.
        // String securityToken = System.getenv("SECURITY_TOKEN");
        // Enter the endpoint corresponding to the bucket. CN-Hong Kong is used here as an example. Replace it with the one currently in use. To view the endpoint of a bucket, see https://support.huaweicloud.com/intl/en-us/usermanual-obs/obs_03_0312.html.
        String endPoint = "https://obs.ap-southeast-1.myhuaweicloud.com";
        // Obtain an endpoint using environment variables or import it in other ways.
        //String endPoint = System.getenv("ENDPOINT");
        
        // Create an ObsClient instance.
        // Use a permanent AK/SK pair to initialize the client.
        ObsClient obsClient = new ObsClient(ak, sk, endPoint);
        // Use a temporary AK/SK pair and security token to initialize the client.
        // ObsClient obsClient = new ObsClient(ak, sk, securityToken, endPoint);

        try {
            // Download an object.
            GetObjectRequest request = new GetObjectRequest("examplebucket", "objectname");
            HashMap<String, String> userHeaders = new HashMap<>();        
            // Specify x-obs-traffic-limit as the rate limit, in bit/s. 819200 (100 KB/s) is used in this example.
            userHeaders.put("x-obs-traffic-limit","819200");        
            request.setUserHeaders(userHeaders);      
            ObsObject obsObject = obsClient.getObject(request);
            // Read the object content.
            System.out.println("Object content:");
            InputStream input = obsObject.getObjectContent();
            byte[] b = new byte[1024];
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            int len;
            while ((len = input.read(b)) != -1) {
                bos.write(b, 0, len);
            }
            System.out.println("getObjectContent successfully");
            System.out.println(new String(bos.toByteArray()));
            bos.close();
            input.close();
        } catch (ObsException e) {
            System.out.println("getObjectContent failed");
            // Request failed. Print the HTTP status code.
            System.out.println("HTTP Code:" + e.getResponseCode());
            // Request failed. Print the server-side error code.
            System.out.println("Error Code:" + e.getErrorCode());
            // Request failed. Print the error details.
            System.out.println("Error Message:" + e.getErrorMessage());
            // Request failed. Print the request ID.
            System.out.println("Request ID:" + e.getErrorRequestId());
            System.out.println("Host ID:" + e.getErrorHostId());
            e.printStackTrace();
        } catch (Exception e) {
            System.out.println("getObjectContent failed");
            // Print other error information.
            e.printStackTrace();
        }
    }
}