public TaskBuilder<T> scheduleOnStartup(String instance, T initialData, Schedule schedule) {
      this.onStartup =
          new ScheduleOnceOnStartup<T>(
              instance,
              initialData,
              now -> schedule.getNextExecutionTime(ExecutionComplete.simulatedSuccess(now)));
      return this;
    }
Disable 'scheduleOnStartup' to get control over when and show the executions is scheduled.
Schedules will not be updated etc, so not really recommended.
db-scheduler/src/main/java/com/github/kagkarlsson/scheduler/task/helper/Tasks.java