class_docstr: A static class to manage the global secret cache.
docstr: Invalidate (actually removes) the value stored in the cache for that Variable.
docstr_tok: ["Invalidate","(","actually","removes",")","the","value","stored","in","the","cache","for","that","Variable","."]
code: def invalidate_variable(cls, key: str):
      """Invalidate (actually removes) the value stored in the cache for that Variable."""
      if cls._cache is not None:
          # second arg ensures no exception if key is absent
          cls._cache.pop(f"{cls._VARIABLE_PREFIX}{key}", None)
  
file_path: airflow/airflow/secrets/cache.py
imports: from __future__ import annotations
  import datetime
  import multiprocessing
  from airflow.configuration import conf
label_desc: Use image node_id 9 for calling the SecretCache obj's underlying member method code with example usage: obj.invalidate_variable(cls, key) without return types