docs: @Exported
      public String getOfflineCauseReason() {
          if (offlineCause == null) {
              return "";
          }
          // fetch the localized string for "Disconnected By"
          String gsub_base = hudson.slaves.Messages.SlaveComputer_DisconnectedBy("","");
          // regex to remove commented reason base string
          String gsub1 = "^" + gsub_base + "[\\w\\W]* \\: ";
          // regex to remove non-commented reason base string
          String gsub2 = "^" + gsub_base + "[\\w\\W]*";
  
          String newString = offlineCause.toString().replaceAll(gsub1, "");
          return newString.replaceAll(gsub2, "");
      }