class FrameFormatter(abc.ABC):

    @abc.abstractmethod
    def prepare_pack_data(self):
        return NotImplemented

    @abc.abstractmethod
    def pack_label_and_content(self):
        return NotImplemented

    @abc.abstractmethod
    def store_pack_result(self):
        return NotImplemented

    @abc.abstractmethod
    def generate_report(self):
        return NotImplemented

    @property
    @abc.abstractmethod
    def with_ann_image_count(self):
        return NotImplemented

    @property
    @abc.abstractmethod
    def annotation_count(self):
        return NotImplemented

    @property
    @abc.abstractmethod
    def report_id(self):
        return NotImplemented

    def before_prepare_pack_data(self):
        pass

    def after_prepare_pack_data(self):
        pass