if err != nil {
				return nil, nil, err
			}
		}
	}

	clientCAProvider, err := opts.Authentication.ClientCert.GetClientCAContentProvider()
	if err != nil {
		return nil, nil, err
	}
	config.ClusterAuthenticationInfo.ClientCA = clientCAProvider

	}

	if o.BootstrapToken != nil {
		ret.BootstrapToken = o.BootstrapToken.Enable
	}

	if o.ClientCert != nil {
		var err error
		ret.ClientCAContentProvider, err = o.ClientCert.GetClientCAContentProvider()
		if err != nil {
			return kubeauthenticator.Config{}, err
		}
	}

	// When the StructuredAuthenticationConfiguration feature is enabled and the authentication config file is provided,