@java.lang.Override
  public com.google.protobuf.TimestampOrBuilder getOldestEstimatedArrivalTimeOrBuilder() {
    return oldestEstimatedArrivalTime_ == null
        ? com.google.protobuf.Timestamp.getDefaultInstance()
        : oldestEstimatedArrivalTime_;
  }
<pre>
Output only. An estimation of the nearest time in the future where a task
in the queue is scheduled to be executed.
</pre>

<code>
.google.protobuf.Timestamp oldest_estimated_arrival_time = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-tasks/proto-google-cloud-tasks-v2beta3/src/main/java/com/google/cloud/tasks/v2beta3/QueueStats.java