docstr: Serialise this kernelspec to a JSON object.
  
  Returns a string.
docstr_tok: ["Serialise","this","kernelspec","to","a","JSON","object",".","Returns","a","string","."]
code: def to_json(self):
      """Serialise this kernelspec to a JSON object.
  
      Returns a string.
      """
      return json.dumps(self.to_dict())
  
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 3 for calling the KernelSpec obj's underlying member method code with example usage: obj.to_json() and returns: json