public String getLanguageCode() {
        return this.languageCode;
    }
Specify the language of this captions output track. For most captions output formats, the encoder puts this
language information in the output captions metadata. If your output captions format is DVB-Sub or Burn in, the
encoder uses this language information to choose the font language for rendering the captions text.

@return Specify the language of this captions output track. For most captions output formats, the encoder puts
        this language information in the output captions metadata. If your output captions format is DVB-Sub or
        Burn in, the encoder uses this language information to choose the font language for rendering the
        captions text.
@see LanguageCode
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/CaptionDescriptionPreset.java