code: public String getDescriptiveText() {
          String defaultLocale = Locale.getDefault().getLanguage();
          String descriptiveText = getDescriptiveText(defaultLocale);
          if (descriptiveText == null) {
              descriptiveText = getDescriptiveText("en");
              if (descriptiveText == null) {
                  descriptiveText = getDescriptiveText("");
              }
          }
          return descriptiveText;
      }
docs: Get the descriptive text of this SASLFailure.
  <p>
  Returns the descriptive text of this SASLFailure in the system default language if possible. May return null.
  </p>
  
  @return the descriptive text or null.