func (w *internalWatcher) HandleMeshConfig(meshConfig *meshconfig.MeshConfig) {
	w.mutex.Lock()
	defer w.mutex.Unlock()
	w.handleMeshConfigInternal(meshConfig)
}

// handleMeshConfigInternal behaves the same as HandleMeshConfig but must be called under a lock
func (w *internalWatcher) handleMeshConfigInternal(meshConfig *meshconfig.MeshConfig) {
	var handlers []*WatcherHandlerRegistration

	current := w.MeshConfig.Load()