#########   UI  ##########

# class MainPageUI


# class PlaneManagementUI


# class UIManagaementUI


# class VoyageManagementUI


# class EmployeeManagementUI


####### Logic Layer #######

# class LLAPI


# class DestinationLL


# class VoyageLL


# class PlaneLL


# class EmployeeLL


#######     IO      ##########

# class IOAPI

# class DestinationIO

# class VoyageIO

# class PlaneIO

# class EmployeeIO

# class RouteIO

# class PermitIO

# class Employee


#########   Model classes #########

# class Employee

# asd
# class Pilot(Employee)


# class FlightAttendant(Employee)


# class AircraftType(Pilot)


# class Plane(AircraftType)


# class Route


# class Destination


# class Voyage
