public String getScheduleExpressionTimezone() {
        return this.scheduleExpressionTimezone;
    }
<p>
Optional. This is the timezone in which the schedule expression is set. By default, ScheduleExpressions are in
UTC. You can modify this to a specified timezone.
</p>

@return Optional. This is the timezone in which the schedule expression is set. By default, ScheduleExpressions
        are in UTC. You can modify this to a specified timezone.
aws-java-sdk-backup/src/main/java/com/amazonaws/services/backup/model/RestoreTestingPlanForCreate.java