Namespace Xbim.Ifc4.DateTimeResource Classes IfcEventTime IfcIrregularTimeSeries IfcIrregularTimeSeriesValue IfcLagTime IfcRecurrencePattern IfcRegularTimeSeries IfcResourceTime IfcSchedulingTime IfcTaskTime IfcTaskTimeRecurring IfcTimePeriod IfcTimeSeries IfcTimeSeriesValue IfcWorkTime Structs IfcDate IfcDateTime IfcDayInMonthNumber IfcDayInWeekNumber IfcDuration IfcMonthInYearNumber IfcTime IfcTimeStamp Interfaces IfcTimeOrRatioSelect Enums IfcDayInMonthNumber.IfcDayInMonthNumberClause IfcDayInWeekNumber.IfcDayInWeekNumberClause IfcMonthInYearNumber.IfcMonthInYearNumberClause