code: @Override public Long expire(final String key, final int seconds) {
          try {
              return redis.expire(key, seconds) ? 1L : 0L;
          }
          catch (Exception e) {
              throw new JedisException(e);
          }
      }
docs: /*
  public Set<String> keys(final String pattern) {
  checkIsInMulti();
  client.keys(pattern);
  return BuilderFactory.STRING_SET.build(client.getBinaryMultiBulkReply());
  }
  
  public String randomKey() {
  checkIsInMulti();
  client.randomKey();
  return client.getBulkReply();
  }
  
  public String rename(final String oldkey, final String newkey) {
  checkIsInMulti();
  client.rename(oldkey, newkey);
  return client.getStatusCodeReply();
  }
  
  public Long renamenx(final String oldkey, final String newkey) {
  checkIsInMulti();
  client.renamenx(oldkey, newkey);
  return client.getIntegerReply();
  }