ActivationFrame parent = f.next();

            return parent.parent.map(p -> p.getLocation(location)).orElse(null);
        };
        final Consumer<String> validator = s -> {
            if (hasProjectExpression(s)) {
                String path = pathSupplier.get();
                Matcher matcher = EXPRESSION_PROJECT_NAME_PATTERN.matcher(s);
                while (matcher.find()) {