code:     private static void addUserTriggeringTheBuild(Run<?, ?> run, Set<InternetAddress> to,
          Set<InternetAddress> cc, Set<InternetAddress> bcc, EnvVars env, TaskListener listener, RecipientProviderUtilities.IDebug debug) {
  
          final User user = RecipientProviderUtilities.getUserTriggeringTheBuild(run);
          if (user != null) {
              RecipientProviderUtilities.addUsers(Collections.singleton(user), listener, env, to, cc, bcc, debug);
          }
      }
  
      @SuppressWarnings("unchecked")
  
      
      @Extension
  