org.eclipse.birt.data.engine.api.timefunction
Interfaces 
IParallelPeriod
IPeriodsFunction
IReferenceDate
ITimeFunction
ITimeFunctionCreator
ITimeFunctionCreatorFactory
ITimePeriod
Classes 
ReferenceDate
TimeFunction
TimeFunctionCreatorEngine
TimeMember
TimePeriod
Enums 
TimePeriodType