code: public long removeRangeByLex(final LexRange lexRange) {
          return doWithJedis(new JedisCallable<Long>() {
              @Override
              public Long call(Jedis jedis) {
                  return jedis.zremrangeByLex(getKey(), lexRange.from(), lexRange.to());
              }
          });
      }
docs: When all the elements in a sorted set are inserted with the same score, in order to force lexicographical
  ordering, this command removes all elements in the sorted set between the lexicographical range specified.
  @param lexRange
  @return the number of elements removed.