def METHOD_NAME(unit_type: UnitType) -> Path:
    if isinstance(unit_type, AircraftType):
        return aircraft_banner_for(unit_type)
    if isinstance(unit_type, GroundUnitType):
        return vehicle_banner_for(unit_type)
    raise NotImplementedError(f"Unhandled UnitType subclass: {unit_type.__class__}")