'Menambah', self::DECREASED => 'Mengurangi', self::UPDATED => 'Mengubah', self::DELETED => 'Menghapus', }; } public function color(): string { return match ($this) { self::INCREASED => 'emerald', self::DECREASED => 'orange', self::UPDATED => 'yellow', self::DELETED => 'red', }; } }