$base_name = join(delete_at($title_array, 0), '-')
assert_type(Pattern[/\Aconf\z/, /\Apref\z/, /\Alist\z/], $setting_type) |$a, $b| {
$base_name = join(delete_at($title_array, 0), '-')
assert_type(Pattern[/\Aconf\z/, /\Apref\z/, /\Alist\z/], $setting_type) |$a, $b| {