public void setLanguageCode(String languageCode) {
        this.languageCode = languageCode;
    }
<p>
The language code that represents the language of the entries in your custom vocabulary. Each custom vocabulary
must contain terms in only one language.
</p>
<p>
A custom vocabulary can only be used to transcribe files in the same language as the custom vocabulary. For
example, if you create a custom vocabulary using US English (<code>en-US</code>), you can only apply this custom
vocabulary to files that contain English audio.
</p>
<p>
For a list of supported languages and their associated language codes, refer to the <a
href="https://docs.aws.amazon.com/transcribe/latest/dg/supported-languages.html">Supported languages</a> table.
</p>

@param languageCode
       The language code that represents the language of the entries in your custom vocabulary. Each custom
       vocabulary must contain terms in only one language.</p>
       <p>
       A custom vocabulary can only be used to transcribe files in the same language as the custom vocabulary.
       For example, if you create a custom vocabulary using US English (<code>en-US</code>), you can only apply
       this custom vocabulary to files that contain English audio.
       </p>
       <p>
       For a list of supported languages and their associated language codes, refer to the <a
       href="https://docs.aws.amazon.com/transcribe/latest/dg/supported-languages.html">Supported languages</a>
       table.
@see LanguageCode
aws-java-sdk-transcribe/src/main/java/com/amazonaws/services/transcribe/model/CreateVocabularyRequest.java