How to use the @microsoft/recognizers-text.ExtractResult.getFromText function in @microsoft/recognizers-text

}
            if (pastDate >= referenceDate) {
                pastDate.setDate(value.getDate() - 7);
            }

            result.futureValue = futureDate;
            result.pastValue = pastDate;
            result.success = true;
            return result;
        }

        // handle "for the 27th."
        match = RegExpUtility.getMatches(this.config.forTheRegex, trimmedSource).pop();
        if (match) {
            let dayStr = match.groups('DayOfMonth').value;
            let er = ExtractResult.getFromText(dayStr);
            let day = Number.parseInt(this.config.numberParser.parse(er).value);

            let month = referenceDate.getMonth();
            let year = referenceDate.getFullYear();

            result.timex = DateTimeFormatUtil.luisDate(-1, -1, day);
            let date = new Date(year, month, day);
            result.futureValue = date;
            result.pastValue = date;
            result.success = true;

            return result;
        }

        // handling cases like 'Thursday the 21st', which both 'Thursday' and '21st' refer to a same date
        match = RegExpUtility.getMatches(this.config.weekDayAndDayOfMonthRegex, trimmedSource).pop();