src/main/java/io/arivera/oss/embedded/rabbitmq/apache/commons/lang3/StopWatch.java
public void suspend() {
    if (this.runningState != State.RUNNING) {
      throw new IllegalStateException("Stopwatch must be running to suspend. ");
    }
    this.stopTime = System.nanoTime();
    this.runningState = State.SUSPENDED;
  }
public void suspend() {
    if (this.runningState != State.RUNNING) {
      throw new IllegalStateException("Stopwatch must be running to suspend. ");
    }
    this.stopTime = System.nanoTime();
    this.runningState = State.SUSPENDED;
  }
<p>
Suspend the stopwatch for later resumption.
</p>

<p>
This method suspends the watch until it is resumed. The watch will not include time between the suspend and
resume calls in the total time.
</p>

@throws IllegalStateException
if the StopWatch is not currently running.