def METHOD_NAME(cls, name: str, data_assistant: Type[DataAssistant]) -> None:
    registered_data_assistants = cls._registered_data_assistants
    if name in registered_data_assistants:
        raise ValueError(f'Existing declarations of DataAssistant "{name}" found.')
    logger.debug(
        f'Registering the declaration of DataAssistant "{name}" took place.'
    )
    registered_data_assistants[name] = data_assistant