@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (((bitField0_ & 0x00000001) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getScheduleTime());
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getDispatchTime());
    }
    if (((bitField0_ & 0x00000004) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getResponseTime());
    }
    if (((bitField0_ & 0x00000008) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getResponseStatus());
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Output only. The response from the worker for this attempt.

If `response_time` is unset, then the task has not been attempted or is
currently running and the `response_status` field is meaningless.
</pre>

<code>.google.rpc.Status response_status = 4;</code>
java-tasks/proto-google-cloud-tasks-v2/src/main/java/com/google/cloud/tasks/v2/Attempt.java