如何在java中设置Google Vision OCR API for android的Languauge提示

implementation 'com.google.cloud:google-cloud-vision:2.5.1'

import com.google.auth.oauth2.GoogleCredentials;
import com.google.cloud.vision.v1.ImageAnnotatorClient;
import com.google.cloud.vision.v1.TextAnnotation;
import com.google.cloud.vision.v1.TextAnnotation.TextProperty;
import com.google.protobuf.ByteString;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class GoogleVisionOCR {
    public static void main(String[] args) throws IOException {
        // 加载认证凭据
        GoogleCredentials credentials = GoogleCredentials.fromStream(
                Files.newInputStream(Paths.get("path/to/credentials.json")));

        // 创建Vision API的客户端
        try (ImageAnnotatorClient client = ImageAnnotatorClient.create()) {
            // 读取图像文件
            Path imagePath = Paths.get("path/to/image.jpg");
            byte[] imageBytes = Files.readAllBytes(imagePath);
            ByteString imageByteString = ByteString.copyFrom(imageBytes);

            // 设置图像的语言提示
            TextAnnotation imageText = client.documentTextDetection(imageByteString)
                    .setImageContext(
                            ImageContext.newBuilder()
                                    .addLanguageHints("en")  // 添加语言提示，如英语 ("en")
                                    .build())
                    .execute()
                    .getFullTextAnnotation();

            // 获取识别出的文本和其属性
            String text = imageText.getText();
            TextProperty property = imageText.getTextProperty();

            System.out.printf("Recognized text: %s%n", text);
            System.out.printf("Detected language: %s%n", property.getDetectedLanguagesList().get(0));
        }
    }
}