question: the number of days between two dates . concode_field_sep TimeZone ZULU concode_elem_sep long SECS_PER_DAY concode_elem_sep Pattern UTC_TZID concode_elem_sep TimeZone BOGUS_TIMEZONE concode_elem_sep int[] MONTH_START_TO_DOY concode_field_sep TimeZone utcTimezone concode_elem_sep DateValue add concode_elem_sep int fixedFromGregorian concode_elem_sep int fixedFromGregorian concode_elem_sep int yearLength concode_elem_sep int monthLength concode_elem_sep int dayOfYear concode_elem_sep DateValue toDateValue concode_elem_sep DateValue fromUtc concode_elem_sep DateTimeValue fromUtc concode_elem_sep boolean isLeapYear concode_elem_sep DateTimeValue convert concode_elem_sep DateTimeValue timeFromSecsSinceEpoch concode_elem_sep TimeZone timeZoneForName concode_elem_sep DateTimeValue dayStart concode_elem_sep DateTimeValue addSeconds concode_elem_sep long secsSinceEpoch concode_elem_sep long timetMillisFromEpochSecs concode_elem_sep DateValue toUtc
target: int function ( DateValue arg0 , DateValue arg1 ) { return fixedFromGregorian ( arg0 ) - fixedFromGregorian ( arg1 ) ; }