public void sunion(final String... keys) {
final byte[][] bkeys = new byte[keys.length][];
for (int i = 0; i < bkeys.length; i++) {
bkeys[i] = SafeEncoder.encode(keys[i]);
}
sunion(bkeys);
}
public Set<String> sunion(String... keys) {
checkIsInMulti();
client.sunion(keys);
List<String> members = client.getMultiBulkReply();
return new LinkedHashSet<String>(members);
}