public Promise<IntegerReply> rpush(Object key0, Object[] value1) {
if (version < RPUSH_VERSION) return new Promise<>(new RedisException("Server does not support RPUSH"));
List<Object> list = new ArrayList<>();
list.add(key0);
Collections.addAll(list, value1);
return execute(IntegerReply.class, new Command(RPUSH_BYTES, list.toArray(new Object[list.size()])));
}