def replace_customer_group_by_id(cls, customer_group_id, customer_group, **kwargs):
        """Replace CustomerGroup

        Replace all attributes of CustomerGroup
        This method makes a synchronous HTTP request by default. To make an
        asynchronous HTTP request, please pass async=True
        >>> thread = api.replace_customer_group_by_id(customer_group_id, customer_group, async=True)
        >>> result = thread.get()

        :param async bool
        :param str customer_group_id: ID of customerGroup to replace (required)
        :param CustomerGroup customer_group: Attributes of customerGroup to replace (required)
        :return: CustomerGroup
                 If the method is called asynchronously,
                 returns the request thread.
        """
        kwargs['_return_http_data_only'] = True
        if kwargs.get('async'):
            return cls._replace_customer_group_by_id_with_http_info(customer_group_id, customer_group, **kwargs)
        else:
            (data) = cls._replace_customer_group_by_id_with_http_info(customer_group_id, customer_group, **kwargs)
            return data