public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
      bitField0_ |= 0x00000020;
      onChanged();
      return getCreateTimeFieldBuilder().getBuilder();
    }
<pre>
Output only. Creation time.
</pre>

<code>
.google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/CustomClass.java