@java.lang.Override
  public final boolean isInitialized() {
    byte isInitialized = memoizedIsInitialized;
    if (isInitialized == 1) return true;
    if (isInitialized == 0) return false;

    memoizedIsInitialized = 1;
    return true;
  }
<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