@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (sourceVmsCase_ == 1) {
      output.writeMessage(1, (com.google.cloud.vmmigration.v1.VmwareVmsDetails) sourceVms_);
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      output.writeMessage(2, getUpdateTime());
    }
    if (sourceVmsCase_ == 3) {
      output.writeMessage(3, (com.google.cloud.vmmigration.v1.AwsVmsDetails) sourceVms_);
    }
    getUnknownFields().writeTo(output);
  }
<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