@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    if (hasUpdateTime()) {
      hash = (37 * hash) + UPDATE_TIME_FIELD_NUMBER;
      hash = (53 * hash) + getUpdateTime().hashCode();
    }
    switch (sourceVmsCase_) {
      case 1:
        hash = (37 * hash) + VMWARE_VMS_FIELD_NUMBER;
        hash = (53 * hash) + getVmwareVms().hashCode();
        break;
      case 3:
        hash = (37 * hash) + AWS_VMS_FIELD_NUMBER;
        hash = (53 * hash) + getAwsVms().hashCode();
        break;
      case 0:
      default:
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
Output only. The timestamp when the source was last queried (if the result
is from the cache).
</pre>

<code>.google.protobuf.Timestamp update_time = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/FetchInventoryResponse.java