class_docstr: Concrete implementation of GSpreadClient.
class_docstr_tok: ["Concrete","implementation","of","GSpreadClient","."]
code: def validate(self, sid: sheets_id.SheetsIdentifier) -> None:
      self._open(sid)
  
imports: from __future__ import annotations
  import abc
  import datetime
  from typing import Any, Callable, Mapping, Sequence
  from google.auth import credentials
  from google.generativeai.notebook import html_utils
  from google.generativeai.notebook import ipython_env
  from google.generativeai.notebook import sheets_id
label_desc: Use image node_id 3 for calling the GSpreadClientImpl obj's underlying member method code with example usage: obj.validate(sid) without return types