public Voice withLanguageCode(LanguageCode languageCode) {
        this.languageCode = languageCode.toString();
        return this;
    }
<p>
Language code of the voice.
</p>

@param languageCode
       Language code of the voice.
@return Returns a reference to this object so that method calls can be chained together.
@see LanguageCode
aws-java-sdk-polly/src/main/java/com/amazonaws/services/polly/model/Voice.java