docs/examples/debug.md
## connections
```ruby
nis = Nis.new(host: '23.228.67.85')
# mapped methods
p nis.debug_connections_incoming
p nis.debug_connections_outgoing
p nis.debug_connections_timers
# another way
p nis.debug_connections(:in)
p nis.debug_connections(:out)
```
## time synchronization
```ruby
nis = Nis.new(host: '23.228.67.85')
p nis.debug_time_synchronization
```