public void setLanguageCode(String languageCode) {
        this.languageCode = languageCode;
    }
RFC 5646 language code representing the language of the audio output track. Only used if languageControlMode is
useConfigured, or there is no ISO 639 language code specified in the input.

@param languageCode
       RFC 5646 language code representing the language of the audio output track. Only used if
       languageControlMode is useConfigured, or there is no ISO 639 language code specified in the input.
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/AudioDescription.java