/** Runnable which will interrupt the target thread repeatedly when run. */
  private static final class Interruptenator implements Runnable {
    private final long everyMillis;
    private final Thread interruptee;
    private volatile boolean shouldStop = false;

    Interruptenator(Thread interruptee, long everyMillis) {
      this.everyMillis = everyMillis;
      this.interruptee = interruptee;
    }

  /** Runnable which will interrupt the target thread repeatedly when run. */
  private static final class Interruptenator implements Runnable {
    private final long everyMillis;
    private final Thread interruptee;
    private volatile boolean shouldStop = false;

    Interruptenator(Thread interruptee, long everyMillis) {
      this.everyMillis = everyMillis;
      this.interruptee = interruptee;
    }