public Builder setResponseStatus(com.google.rpc.Status value) {
      if (responseStatusBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        responseStatus_ = value;
      } else {
        responseStatusBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
<pre>
Output only. The response from the target for this attempt.

If the task has not been attempted or the task is currently running
then the response status is unset.
</pre>

<code>.google.rpc.Status response_status = 4;</code>
java-tasks/proto-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/AttemptStatus.java