In io.lettuce.core.ConnectionBuilder#buildHandlers these lines of codes are duplicated:

if (clientOptions.isAutoReconnect()) {
    handlers.add(createConnectionWatchdog());
}

Channel pipeline looks like this:

0 = "PlainChannelInitializer#0"
1 = "channelActivator"
2 = "ChannelGroupListener#0"
3 = "CommandEncoder#0"
4 = "CommandHandler#0"
5 = "ConnectionWatchdog#0"
6 = "ConnectionEventTrigger#0"
7 = "ConnectionWatchdog#1"
8 = "DefaultChannelPipeline$TailContext#0"

More importantly ConnectionWatchdog#0 and ConnectionWatchdog#1 are actually the same instance.

I can see from #335 that ConnectionWatchdog is better to be the last handler.
So maybe the first creation can be removed?
Or if there is a sensible explanation for this, I can write an explaining comment.