docs: private static String convert_viewable_to_string(byte[] bytes) {
          String string = null;
  
          if (bytes != null) {
              if (bytes.length == 0) {
                  string = EMPTY_STRING;
              } else {
                  string = convert_to_string(Base64Coder.base64Encode(bytes));
              }
          }
          return string;
      }