public void watch(final String... keys) {
final byte[][] bargs = new byte[keys.length][];
for (int i = 0; i < bargs.length; i++) {
bargs[i] = SafeEncoder.encode(keys[i]);
}
watch(bargs);
}
public String watch(String key) {
client.watch(key);
return client.getStatusCodeReply();
}