public com.google.protobuf.TimestampOrBuilder getScheduleTimeOrBuilder() {
      if (scheduleTimeBuilder_ != null) {
        return scheduleTimeBuilder_.getMessageOrBuilder();
      } else {
        return scheduleTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : scheduleTime_;
      }
    }
<pre>
Output only. The time that this attempt was scheduled.

`schedule_time` will be truncated to the nearest microsecond.
</pre>

<code>.google.protobuf.Timestamp schedule_time = 1;</code>
java-tasks/proto-google-cloud-tasks-v2beta3/src/main/java/com/google/cloud/tasks/v2beta3/Attempt.java