public boolean hasUpdateTime() {
      return ((bitField0_ & 0x00000004) != 0);
    }
<pre>
The last update time of the operation.
</pre>

<code>.google.protobuf.Timestamp update_time = 3;</code>

@return Whether the updateTime field is set.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/ImportDataMetadata.java