/** The key of the message: Additional Query Parameters */
    public static final String LABELS_APPEND_QUERY_PARAMETER = "{labels.appendQueryParameter}";

    /** The key of the message: Config ID */
    public static final String LABELS_CONFIG_ID = "{labels.configId}";

    /** The key of the message: Config Parameters */
    public static final String LABELS_CONFIG_PARAMETER = "{labels.configParameter}";