public String getLanguageCode() {
        return this.languageCode;
    }
<p>
The language of the input documents. All documents must be in the same language. You can specify any of the
languages supported by Amazon Comprehend. If custom entities recognition is used, this parameter is ignored and
the language used for training the model is used instead.
</p>

@return The language of the input documents. All documents must be in the same language. You can specify any of
        the languages supported by Amazon Comprehend. If custom entities recognition is used, this parameter is
        ignored and the language used for training the model is used instead.
@see LanguageCode
aws-java-sdk-comprehend/src/main/java/com/amazonaws/services/comprehend/model/StartEntitiesDetectionJobRequest.java