private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        getScheduleTimeFieldBuilder() {
      if (scheduleTimeBuilder_ == null) {
        scheduleTimeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Timestamp,
                com.google.protobuf.Timestamp.Builder,
                com.google.protobuf.TimestampOrBuilder>(
                getScheduleTime(), getParentForChildren(), isClean());
        scheduleTime_ = null;
      }
      return scheduleTimeBuilder_;
    }
<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