Add a "skip field comment" for wire compatibility

Taiki Ono · Taiki Ono · commit e6fa3f7e297c · 2018-03-15T03:38:42.000+09:00
Signed-off-by: Taiki Ono &lt;taiki-ono@cookpad.com&gt;
diff --git a/envoy/config/metrics/v2/stats.proto b/envoy/config/metrics/v2/stats.proto
@@ -158,6 +158,7 @@ message StatsdSink {
 // The sink emits stats with `DogStatsD <https://docs.datadoghq.com/guides/dogstatsd/>`_
 // compatible tags. Tags are configurable via :ref:`StatsConfig
 // <envoy_api_msg_config.metrics.v2.StatsConfig>`.
+// [#comment:next free field: 3]
 message DogStatsdSink {
   oneof dog_statsd_specifier {
     option (validate.required) = true;
