code: func (m *ManagerImpl) ValidatePlugin(pluginName string, endpoint string, versions []string, foundInDeprecatedDir bool) error {
  	klog.V(2).Infof("Got Plugin %s at endpoint %s with versions %v", pluginName, endpoint, versions)
  
  	if !m.isVersionCompatibleWithPlugin(versions) {
  		return fmt.Errorf("manager version, %s, is not among plugin supported versions %v", pluginapi.Version, versions)
  	}
  
  	if !v1helper.IsExtendedResourceName(v1.ResourceName(pluginName)) {
  		return fmt.Errorf("invalid name of device plugin socket: %s", fmt.Sprintf(errInvalidResourceName, pluginName))
  	}
  
  	return nil
  }
docs: // ValidatePlugin validates a plugin if the version is correct and the name has the format of an extended resource