docs: public static void printBlob(Appendable out, byte[] value)
          throws IOException
      {
          if (value == null)
          {
              out.append("null.blob");
          }
          else
          {
              _Private_IonTextAppender appender =
                  _Private_IonTextAppender.forAppendable(out);
              appender.printBlob(STANDARD, value, 0, value.length);
          }
      }