@java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (hasJobLocation()) {
        hash = (37 * hash) + JOB_LOCATION_FIELD_NUMBER;
        hash = (53 * hash) + getJobLocation().hashCode();
      }
      if (hasTravelDuration()) {
        hash = (37 * hash) + TRAVEL_DURATION_FIELD_NUMBER;
        hash = (53 * hash) + getTravelDuration().hashCode();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<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-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/SearchJobsResponse.java