code: func (f *ConfigFlags) toRawKubePersistentConfigLoader() clientcmd.ClientConfig {
  	f.lock.Lock()
  	defer f.lock.Unlock()
  
  	if f.clientConfig == nil {
  		f.clientConfig = f.toRawKubeConfigLoader()
  	}
  
  	return f.clientConfig
  }
docs: // toRawKubePersistentConfigLoader binds config flag values to config overrides
  // Returns a persistent clientConfig for propagation.