@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (((bitField0_ & 0x00000001) != 0)) {
        output.writeMessage(1, getJobLocation());
      }
      if (((bitField0_ & 0x00000002) != 0)) {
        output.writeMessage(2, getTravelDuration());
      }
      getUnknownFields().writeTo(output);
    }
<pre>
The number of seconds required to travel to the job location from the
query location. A duration of 0 seconds indicates that the job isn't
reachable within the requested duration, but was returned as part of an
expanded query.
</pre>

<code>.google.protobuf.Duration travel_duration = 2;</code>
java-talent/proto-google-cloud-talent-v4/src/main/java/com/google/cloud/talent/v4/SearchJobsResponse.java