/** The key of the message: Target */
    public static final String LABELS_TARGET = "{labels.target}";

    /** The key of the message: Token */
    public static final String LABELS_TOKEN = "{labels.token}";

    /** The key of the message: Synonym File */
    public static final String LABELS_SYNONYM_FILE = "{labels.synonymFile}";

    /** The key of the message: Stopwords File */

    public static final String ERRORS_failed_to_upload_mapping_file = "{errors.failed_to_upload_mapping_file}";

    /** The key of the message: {0} is invalid as a token. */
    public static final String ERRORS_invalid_kuromoji_token = "{errors.invalid_kuromoji_token}";

    /** The key of the message: The number of segmentation for {0} and {1} is different. */