public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
      bitField0_ |= 0x00000002;
      onChanged();
      return getCreateTimeFieldBuilder().getBuilder();
    }
<pre>
The creation time of the operation.
</pre>

<code>.google.protobuf.Timestamp create_time = 2;</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/CreateModelMetadata.java