subprojects/parseq/src/main/java/com/linkedin/parseq/EngineBuilder.java
public EngineBuilder setTimerScheduler(final ScheduledExecutorService timerScheduler) {
    ArgumentUtil.requireNotNull(timerScheduler, "timerScheduler");
    setTimerScheduler(adaptTimerScheduler(timerScheduler));
    return this;
  }
public EngineBuilder setTimerScheduler(final ScheduledExecutorService timerScheduler) {
    ArgumentUtil.requireNotNull(timerScheduler, "timerScheduler");
    setTimerScheduler(adaptTimerScheduler(timerScheduler));
    return this;
  }
Sets the timer scheduler for the engine.
<p>
The lifecycle of the scheduler is not managed by the engine.

@param timerScheduler the scheduler to use for the engine
@return this builder