class BuilderCollection

class BuilderCollection extends AbstractCollection {
    public function getType() : string {
        return UuidBuilderInterface::class;
    }
    
    /**
     * @psalm-mutation-free
     * @psalm-suppress ImpureMethodCall
     * @psalm-suppress InvalidTemplateParam
     */
    public function getIterator() : Traversable {
        return parent::getIterator();
    }
    
    /**
     * Re-constructs the object from its serialized form
     *
     * @param string $serialized The serialized PHP string to unserialize into
     *     a UuidInterface instance
     *
     * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
     * @psalm-suppress RedundantConditionGivenDocblockType
     */
    public function unserialize($serialized) : void {
        
        /** @var array<array-key, UuidBuilderInterface> $data */
        $data = unserialize($serialized, [
            'allowed_classes' => [
                BrickMathCalculator::class,
                GenericNumberConverter::class,
                GenericTimeConverter::class,
                GuidBuilder::class,
                NonstandardUuidBuilder::class,
                PhpTimeConverter::class,
                Rfc4122UuidBuilder::class,
            ],
        ]);
        $this->data = array_filter($data, function ($unserialized) : bool {
            return $unserialized instanceof UuidBuilderInterface;
        });
    }

}