public Builder clearUpdateTime() {
      bitField0_ = (bitField0_ & ~0x00000002);
      updateTime_ = null;
      if (updateTimeBuilder_ != null) {
        updateTimeBuilder_.dispose();
        updateTimeBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Output only. The last time the connector was updated with an API call.
</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/DatacenterConnector.java