@java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }
<pre>
The time when the operation is finished and
[google.longrunning.Operation.done][google.longrunning.Operation.done] is
set to true.
</pre>

<code>.google.protobuf.Timestamp end_time = 5;</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/BatchTranslateResponse.java