class_docstr: A static class to manage the global secret cache.
code: def _save(cls, key: str, value: str | None, prefix: str):
      if cls._cache is not None:
          cls._cache[f"{prefix}{key}"] = cls._CacheValue(value)
  
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 8 for calling the SecretCache obj's underlying member method code with example usage: obj._save(cls, key, value, prefix) without return types