# main
...
    dispatcher = Dispatcher(Bot(token=config.telegram_token.entrust))

    task = TaskService(dispatcher=dispatcher, config=config, logger=logger)

    dispatcher.register_message_handler(
        callback=task.handle_something,
        commands=['some_command'],
    )


class TaskService:
    def __init__(
            self,
            dispatcher: Dispatcher,
            config: ConfigDto,
            logger: Logger,
    ):
        self.__dispatcher = dispatcher
        self.__config = config
        self.__logger = logger

    async def handle_something(self, message: Message):
        ...