code: def _to_dict(self) -> typing.Dict[str, typing.Any]:
      dictionary = super(ReplayCompose, self)._to_dict()
      dictionary.update({"save_key": self.save_key})
      return dictionary
  
imports: from __future__ import division
  import random
  import typing
  import warnings
  from collections import defaultdict
  import numpy
  from ..None import random_utils
  from .bbox_utils import BboxParams, BboxProcessor
  from .keypoints_utils import KeypointParams, KeypointsProcessor
  from .serialization import SERIALIZABLE_REGISTRY, Serializable, get_shortest_class_fullname, instantiate_nonserializable
  from .transforms_interface import BasicTransform
  from .utils import format_args, get_shape
label_desc: Use image node_id 7 for calling the ReplayCompose obj's underlying member method code with example usage: obj._to_dict() and returns: dictionary