@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    {
      int dataSize = 0;
      for (int i = 0; i < languageHints_.size(); i++) {
        dataSize += computeStringSizeNoTag(languageHints_.getRaw(i));
      }
      size += dataSize;
      size += 1 * getLanguageHintsList().size();
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Language hint can be specified if the language to be detected is known a
priori. It can increase the accuracy of the detection. Language hint must
be language code in BCP-47 format.

Automatic language detection is performed if no hint is provided.
</pre>

<code>repeated string language_hints = 1;</code>

@param index The index of the value to return.
@return The bytes of the languageHints at the given index.
java-video-intelligence/proto-google-cloud-video-intelligence-v1p2beta1/src/main/java/com/google/cloud/videointelligence/v1p2beta1/TextDetectionConfig.java