code: def state_with_changes(self) -> dict:
      children_state = {
          child: getattr(self, child).state_with_changes
          for child in self._flows
      }
      works_state = {
          work: getattr(self, work).state_with_changes
          for work in self._works
      }
      return {
          "vars": _sanitize_state(
              {el: getattr(self, el) for el in self._state}
          ),
          # this may have the challenge that ret cannot be pickled, we'll need to handle this
          "calls": self._calls.copy(),
          "flows": children_state,
          "works": works_state,
          "structures": {
              child: getattr(self, child).state_with_changes
              for child in self._structures
          },
          "changes": self.changes,
      }
  
imports: import inspect
  import warnings
  from copy import deepcopy
  from datetime import datetime
  from types import FrameType
  from typing import TYPE_CHECKING, Any, Dict, Generator, Iterable, List, Optional, Tuple, Union, cast
  from deepdiff import DeepHash
  from lightning.app.core.work import LightningWork
  from lightning.app.frontend import Frontend
  from lightning.app.storage.drive import Drive, _maybe_create_drive
  from lightning.app.storage.path import Path
  from lightning.app.utilities.app_helpers import _is_json_serializable, _LightningAppRef, _set_child_name, is_overridden
  from lightning.app.utilities.component import _sanitize_state
  from lightning.app.utilities.exceptions import ExitAppException, LightningFlowException
  from lightning.app.utilities.introspection import _is_init_context, _is_run_context
  from lightning.app.utilities.packaging.cloud_compute import CloudCompute, _maybe_create_cloud_compute
label_desc: Use image node_id 10 for calling the LightningFlow obj's underlying member method code with example usage: obj.state_with_changes() and returns: dict