public boolean hasTravelDuration() {
        return ((bitField0_ & 0x00000002) != 0);
      }
<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>

@return Whether the travelDuration field is set.
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/SearchJobsResponse.java