docs: public void checkBlockableReadSequence(long readSequence) {
          if (isTooLargeSequence(readSequence)) {
              throw new IllegalArgumentException("sequence:" + readSequence
                      + " is too large. The current tailSequence is:" + tailSequence());
          }
          if (isStaleSequence(readSequence)) {
              throw new StaleSequenceException("sequence:" + readSequence
                      + " is too small and data store is disabled. "
                      + "The current headSequence is:" + headSequence()
                      + " tailSequence is:" + tailSequence(), headSequence());
          }
      }