$enum */ public function __construct( protected string $enum, ) {} public function get(mixed $state): ?BackedEnum { if (blank($state)) { return null; } if ($state instanceof $this->enum) { return $state; } return $this->enum::tryFrom($state); } public function set(mixed $state): mixed { if (! ($state instanceof BackedEnum)) { return $state; } return strval($state->value); } }