private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        getEndTimeFieldBuilder() {
      if (endTimeBuilder_ == null) {
        endTimeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Timestamp,
                com.google.protobuf.Timestamp.Builder,
                com.google.protobuf.TimestampOrBuilder>(
                getEndTime(), getParentForChildren(), isClean());
        endTime_ = null;
      }
      return endTimeBuilder_;
    }
<pre>
Output only. The time the clone job was ended.
</pre>

<code>.google.protobuf.Timestamp end_time = 22 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/CloneJob.java