code: public static String getFirstMultiLanguageText(final MultiLanguageTextOrBuilder multiLanguageText) throws NotAvailableException {
          for (MultiLanguageText.MapFieldEntry entry : multiLanguageText.getEntryList()) {
              return entry.getValue();
          }
          throw new NotAvailableException("MultiLanguageText");
      }
docs: Get the first multiLanguageText found in the multiLanguageText type. This is independent of the language of the multiLanguageText.
  
  @param multiLanguageText the multiLanguageText type which is searched for the first multiLanguageText
  
  @return the first multiLanguageText found
  
  @throws NotAvailableException if now multiLanguageText is contained in the multiLanguageText type.