private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta2.AttemptStatus,
            com.google.cloud.tasks.v2beta2.AttemptStatus.Builder,
            com.google.cloud.tasks.v2beta2.AttemptStatusOrBuilder>
        getFirstAttemptStatusFieldBuilder() {
      if (firstAttemptStatusBuilder_ == null) {
        firstAttemptStatusBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tasks.v2beta2.AttemptStatus,
                com.google.cloud.tasks.v2beta2.AttemptStatus.Builder,
                com.google.cloud.tasks.v2beta2.AttemptStatusOrBuilder>(
                getFirstAttemptStatus(), getParentForChildren(), isClean());
        firstAttemptStatus_ = null;
      }
      return firstAttemptStatusBuilder_;
    }
<pre>
Output only. The status of the task's first attempt.

Only
[dispatch_time][google.cloud.tasks.v2beta2.AttemptStatus.dispatch_time]
will be set. The other
[AttemptStatus][google.cloud.tasks.v2beta2.AttemptStatus] information is
not retained by Cloud Tasks.

This field is not calculated for [pull
tasks][google.cloud.tasks.v2beta2.PullMessage].
</pre>

<code>.google.cloud.tasks.v2beta2.AttemptStatus first_attempt_status = 3;</code>
java-tasks/proto-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/TaskStatus.java