Namespace Xbim.Ifc2x3.ProcessExtension Classes IfcProcedure IfcRelAssignsTasks IfcScheduleTimeControl IfcTask IfcWorkControl IfcWorkPlan IfcWorkSchedule Enums IfcProcedure.IfcProcedureClause IfcProcedureTypeEnum IfcRelAssignsTasks.IfcRelAssignsTasksClause IfcTask.IfcTaskClause IfcWorkControl.IfcWorkControlClause IfcWorkControlTypeEnum