Build method
Implementation
DateTimeFormat Build() =>
DateTimeFormat(
amDesignator,
pmDesignator,
timeSeparator,
dateSeparator,
abbreviatedDayNames,
dayNames,
monthNames,
abbreviatedMonthNames,
monthGenitiveNames,
abbreviatedMonthGenitiveNames,
calendar,
eraNames,
fullDateTimePattern,
shortDatePattern,
longDatePattern,
shortTimePattern,
longTimePattern);