code: def GetObject(self, identifier):
      
      cache_value = self._values.get(identifier, None)
      if not cache_value:
        return None
  
      return cache_value.vfs_object
docs: Retrieves a cached object based on the identifier.
  
      This method ignores the cache value reference count.
  
      Args:
        identifier (str): VFS object identifier.
  
      Returns:
        object: cached VFS object or None if not cached.