@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + STATE_FIELD_NUMBER;
    hash = (53 * hash) + state_;
    if (hasSubmitTime()) {
      hash = (37 * hash) + SUBMIT_TIME_FIELD_NUMBER;
      hash = (53 * hash) + getSubmitTime().hashCode();
    }
    if (hasEndTime()) {
      hash = (37 * hash) + END_TIME_FIELD_NUMBER;
      hash = (53 * hash) + getEndTime().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
The time when the batch request is finished and
[google.longrunning.Operation.done][google.longrunning.Operation.done] is
set to true.
</pre>

<code>.google.protobuf.Timestamp end_time = 3;</code>
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/BatchOperationMetadata.java