class_docstr: " A mapping config to object (model or tokenizer for instance) that will load keys and values when it is accessed.
  
  Args:
      - config_mapping: The map model type to config class
      - model_mapping: The map model type to model (or tokenizer) class
code: def __iter__(self):
      return iter(self.keys())
  
imports: import copy
  import importlib
  import json
  import os
  import warnings
  from collections import OrderedDict
  from ...configuration_utils import PretrainedConfig
  from ...dynamic_module_utils import get_class_from_dynamic_module, resolve_trust_remote_code
  from ...utils import CONFIG_NAME, cached_file, copy_func, extract_commit_hash, find_adapter_config_file, is_peft_available, logging, requires_backends
  from .configuration_auto import AutoConfig, model_type_to_module_name, replace_list_option_in_docstrings
label_desc: Use image node_id 10 for calling the _LazyAutoMapping obj's underlying member method code with example usage: obj.__iter__() and returns: iter