/**
* End to end ack version, with logical node context (to isolate wals.)
* **/
public static SinkDecoBuilder builderEndToEndDir() {
return new SinkDecoBuilder() {
@Override
public EventSinkDecorator<EventSink> build(Context context,
String... argv) {
Preconditions.checkArgument(argv.length <= 3,
"usage: ackedWriteAhead[(maxMillis,walnode,checkMs)]");