from enum import Enum

class OptType(Enum):
    AbstractOpt # only used by Opt
    Flag
    Option

class Opt:
    _TYPE: OptType = OptType.AbstractOpt
    def __init__(self, *args) -> None:
        pass

class Flag(Opt):
    _TYPE: OptType = OptType.Flag
    def __init__(self, *args) -> None:
        super().__init__(*args)

class Option(Opt):
    _TYPE: OptType = OptType.Option
    def __init__(self, *args) -> None:
        super().__init__(*args)