private void watchdogWorker() {
		long expiresAt = watchdogExpiresAt.get();
		if (expiresAt > 0) {
			long now = System.currentTimeMillis();
			if (now > expiresAt) {
				setEnabled(false);
				timeoutMethod.run();
			}
		}

	}
Called from a timer, checks to see if the watchdog is armed, and if it has expired.
<p>
Disarms itself before calling the timeoutMethod if the timeout period expired.
Ghidra/Framework/Generic/src/main/java/ghidra/util/timer/Watchdog.java