if r == nil {
		return Config{}
	}
	cfg := Config{
		Enabled:            r.Enabled,
		arnProviderCfgsMap: make(map[arn.ARN]*providerCfg, len(r.arnProviderCfgsMap)),
		ProviderCfgs:       make(map[string]*providerCfg, len(r.ProviderCfgs)),
		pubKeys:            r.pubKeys,
		roleArnPolicyMap:   make(map[arn.ARN]string, len(r.roleArnPolicyMap)),
		transport:          r.transport,
		closeRespFn:        r.closeRespFn,
	}