case *listener.Filter_TypedConfig:
		if err := c.TypedConfig.UnmarshalTo(out); err != nil {
			return err
		}
	}
	return nil
}

func getHTTPConnectionManager(filter *listener.Filter) *hcm.HttpConnectionManager {
	cm := &hcm.HttpConnectionManager{}
	if err := getFilterConfig(filter, cm); err != nil {
		log.Errorf("failed to get HTTP connection manager config: %s", err)
		return nil
	}
	return cm
}

	if err := os.Remove(path); err != nil && !os.IsNotExist(err) {
		// Anything other than "file not found" is an error.
		return nil, fmt.Errorf("failed to remove unix://%s: %v", path, err)
	}

	// Attempt to create the folder in case it doesn't exist
	if err := os.MkdirAll(filepath.Dir(path), 0o750); err != nil {
		// If we cannot create it, just warn here - we will fail later if there is a real error

}

func getFilterType(filters []*listener.Filter) string {
	for _, filter := range filters {
		if filter.Name == HTTPListener {
			httpProxy := &hcm.HttpConnectionManager{}
			// Allow Unmarshal to work even if Envoy and istioctl are different
			filter.GetTypedConfig().TypeUrl = "type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager"
			err := filter.GetTypedConfig().UnmarshalTo(httpProxy)