class_docstr: A dict-like class that stores secrets.
  Parses secrets.toml on-demand. Cannot be externally mutated.
  
  Safe to use from multiple threads.
class_docstr_tok: ["A","dict-like","class","that","stores","secrets",".","Parses","secrets.toml","on-demand",".","Can","not","be","externally","mutated",".","Safe","to","use","from","multiple","threads","."]
docstr: True if the given key is in the dict. Thread-safe.
docstr_tok: ["True","if","the","given","key","is","in","the","dict",".","Thread-safe","."]
code: def has_key(self, k: str) -> bool:
      """True if the given key is in the dict. Thread-safe."""
      return k in self._parse(True)
  
imports: import os
  import threading
  from copy import deepcopy
  from typing import Any, Dict, ItemsView, Iterator, KeysView, List, Mapping, NoReturn, Optional, ValuesView
  import toml
  from blinker import Signal
  from typing_extensions import Final
  import streamlit
  import streamlit.watcher.path_watcher
  from streamlit import file_util, runtime
  from streamlit.logger import get_logger
label_desc: Use image node_id 13 for calling the Secrets obj's underlying member method code with example usage: obj.has_key(k) and returns: unknown