code: def install_kernel_spec(
      source_dir,
      kernel_name=None,
      user=False,
      replace=False,
      prefix=None,
  ):
      return KernelSpecManager().install_kernel_spec(
          source_dir, kernel_name, user, replace, prefix
      )
  
imports: import errno
  import io
  import json
  import os
  import re
  import shutil
  import warnings
  from ipython_genutils.py3compat import PY3
  from traitlets import HasTraits, List, Unicode, Dict, Set, Bool, Type, CaselessStrEnum
  from traitlets.config import LoggingConfigurable
  from jupyter_core.paths import jupyter_data_dir, jupyter_path, SYSTEM_JUPYTER_PATH
label_desc: Use image node_id 6 for calling a global function with example usage: install_kernel_spec(source_dir, kernel_name, user, replace, prefix) and returns: KernelSpecManager