public com.google.protobuf.ProtocolStringList getLanguageHintsList() {
    return languageHints_;
  }
<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>

@return A list containing the languageHints.
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/TextDetectionConfig.java