private boolean hasStateChanged(FilterState state) {
		FilterState oldState = originalState.get(state.getFilter());

		if (oldState == null) {
			// this can happen when the user presses escape, as the focus event happens after we
			// close the dialog
			return false;
		}
		return !oldState.equals(state);
	}
Returns true if any of the filters managed by this dialog are not in their default state.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/gui/filters/AncillaryFilterDialogComponentProvider.java