private com.google.protobuf.SingleFieldBuilderV3<
            com.google.type.TimeOfDay,
            com.google.type.TimeOfDay.Builder,
            com.google.type.TimeOfDayOrBuilder>
        getDepartureTimeFieldBuilder() {
      if (departureTimeBuilder_ == null) {
        if (!(trafficOptionCase_ == 6)) {
          trafficOption_ = com.google.type.TimeOfDay.getDefaultInstance();
        }
        departureTimeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.type.TimeOfDay,
                com.google.type.TimeOfDay.Builder,
                com.google.type.TimeOfDayOrBuilder>(
                (com.google.type.TimeOfDay) trafficOption_, getParentForChildren(), isClean());
        trafficOption_ = null;
      }
      trafficOptionCase_ = 6;
      onChanged();
      return departureTimeBuilder_;
    }
<pre>
The departure time used to calculate traffic impact, represented as
[google.type.TimeOfDay][google.type.TimeOfDay] in local time zone.

Currently traffic model is restricted to hour level resolution.
</pre>

<code>.google.type.TimeOfDay departure_time = 6;</code>
java-talent/proto-google-cloud-talent-v4/src/main/java/com/google/cloud/talent/v4/CommuteFilter.java