def METHOD_NAME(cls):
    params = super().METHOD_NAME()
    params.update({
        'annotations_dir': PathField(is_directory=True, description='Directory with annotations'),
        'images_dir': PathField(optional=True, is_directory=True, description='Directory with images'),
        'labels_file': PathField(optional=True, description='Labels file'),
        'images_suffix': StringField(optional=True, default='.jpg', description='Suffix for images'),
    })
    return params