code: def get_decorated_file_loader():
      """get file loader for second stage loading
      Second stage means graph, optimizer, executor, ... and
      so on has already been loaded, the files to load are used
      to decorate existing nnabla representation.
      """
      file_loaders = OrderedDict(
          [
              (".optimizer", _opti_file_loader),
              (".protobuf,.h5", _parameter_file_loader),
              (".nnp", _nnp_parameter_file_loader),
          ]
      )
      return file_loaders
  
imports: import contextlib
  import io
  import os
  import re
  import zipfile
  from collections import OrderedDict
  from functools import partial
  import google.protobuf.text_format
  import h5py
  import nnabla
  import numpy
  from nnabla.logger import logger
  from nnabla.utils import nnabla_pb2
  from nnabla.utils.nnp_format import nnp_version
label_desc: Use image node_id 16 for calling a global function with example usage: get_decorated_file_loader() and returns: file_loaders