Public Interface IActivity
    Inherits IActivityActions

    Property Id As String
    Property QuantityToProduce As Integer
    Property Label As String
    ReadOnly Property Status As ActivityStateEnum
    Property EmployeeInitials As String
    Property IsReadOnly As Boolean
    Property StartBeforeTimestamp As DateTime
    Property StartAlmostTimeStamp As DateTime
    Property StartTimeStamp As DateTime

    Property WorkItem As IWorkItem

    Property State As ActivityState
    ReadOnly Property CurrentEmployee As IEmployee
End Interface