'', 'building' => '', 'bank' => '', 'location' => '', 'admin-home' => '', 'store' => '', 'palmtree' => '', 'networking' => '', 'category' => '', 'groups' => '', 'admin-users' => '', 'businessperson' => '', 'welcome-learn-more' => '', 'book' => '', 'portfolio' => '', 'clipboard' => '', 'awards' => '', 'flag' => '', 'shield' => '', 'star-filled' => '', 'admin-site' => '', 'universal-access' => '', ); private const UNKNOWN = ''; public static function svg( string $slug, int $size = 16 ): string { if ( '' === $slug ) { return ''; } return ''; } }