for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php declare(strict_types=1);
namespace Igni\Storage\Mapping;
use Countable;
use Iterator;
interface Collection extends Iterator, Countable
{
public function contains($item): bool;
public function first();
public function last();
public function at(int $index);
public function toArray(): array;
}