code: func GetND(dom, str, plural string, n int, vars ...interface{}) string {
  	// Try to load default package Locale storage
  	loadStorage(false)
  
  	// Return Translation
  	globalConfig.RLock()
  
  	if _, ok := globalConfig.storage.Domains[dom]; !ok {
  		globalConfig.storage.AddDomain(dom)
  	}
  
  	tr := globalConfig.storage.GetND(dom, str, plural, n, vars...)
  	globalConfig.RUnlock()
  
  	return tr
  }
docs: // GetND retrieves the (N)th plural form of Translation in the given domain for a given string.
  // Supports optional parameters (vars... interface{}) to be inserted on the formatted string using the fmt.Printf syntax.