$all_family_facts = Collection::make(Registry::elementFactory()->make('FAM')->subtags())
            ->filter(static fn (string $value, string $key): bool => !in_array($key, $ignore_facts, true))
            ->mapWithKeys(static fn (string $value, string $key): array => [$key => 'FAM:' . $key])
            ->map(static fn (string $tag): ElementInterface => Registry::elementFactory()->make($tag))
            ->filter(static fn (ElementInterface $element): bool => !$element instanceof UnknownElement)