private int getDesiredDuration() {
		int size = scrollAwayList.size();
		if (size < 4) {
			return 3000;
		}
		if (size < 6) {
			return 2000;
		}
		if (size < 8) {
			return 1000;
		}
		if (size < 10) {
			return 500;
		}
		if (size < 15) {
			return 250;
		}
		return 100;
	}
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