code: def _set_slice(
      self,
      new_data,
      slice_,
      neg_indices_left_of_zero=False,
  ):
      slice_, _, _, _ = self._interpret_slice(
          slice_, neg_indices_left_of_zero
      )
  
      # Check, whether the setting to new_data changes the length of self
      # (it shouldn't). If it does, raise an error.
      try:
          if self.finalized:
  
              def __set(s, n):
                  if self.space:
                      assert self.space.contains(n[0])
                  assert len(s[slice_]) == len(n)
                  s[slice_] = n
  
              tree.map_structure(__set, self.data, new_data)
          else:
              if self.space:
                  assert self.space.contains(new_data[0])
              assert len(self.data[slice_]) == len(new_data)
              self.data[slice_] = new_data
      except AssertionError:
          raise IndexError(
              f"Cannot `set()` value via at_indices={slice_} (option "
              f"neg_indices_left_of_zero={neg_indices_left_of_zero})! Slice of data "
              "does NOT have the same size as `new_data`."
          )
  
imports: import logging
  from typing import List, Optional, Type, Union
  import gymnasium
  import numpy
  import tree
  from ray.rllib.env.env_context import EnvContext
  from ray.rllib.env.multi_agent_env import MultiAgentEnv
  from ray.rllib.env.wrappers.multi_agent_env_compatibility import MultiAgentEnvCompatibility
  from ray.rllib.utils.error import ERR_MSG_INVALID_ENV_DESCRIPTOR, ERR_MSG_OLD_GYM_API, EnvError
  from ray.rllib.utils.gym import check_old_gym_env
  from ray.rllib.utils.numpy import one_hot, one_hot_multidiscrete
  from ray.rllib.utils.spaces.space_utils import batch, get_dummy_batch_for_space, get_base_struct_from_space
  from ray.util import log_once
  from ray.util.annotations import PublicAPI
label_desc: Use image node_id 15 for calling the BufferWithInfiniteLookback obj's underlying member method code with example usage: obj._set_slice(new_data, slice_, neg_indices_left_of_zero) without return types