void startScrollingAwayAnimation(int startDelay) {
		if (scrollAwayList.isEmpty()) {
			return;
		}
		if (scrollAwayAnimator.isRunning()) {
			return;
		}

		scrollAwayAnimator.setStartFraction(0f);
		scrollAwayAnimator.setDuration(getDesiredDuration());
		scrollAwayAnimator.setStartDelay(startDelay);
		scrollAwayAnimator.start();

	}
Uses a layered pane to create a "watermark effect" to show when the GTaskManger is suspended.
Ghidra/Framework/Project/src/main/java/ghidra/framework/task/gui/taskview/TaskViewer.java