sortItemsByPosition example

foreach ($sliderItemsConfig->getArrayValue() as $sliderItem) {
                $this->addDefaultMediaToImageSlider($imageSlider, $sliderItem);
            }
        }

        if ($sliderItemsConfig->isMapped() && $resolverContext instanceof EntityResolverContext) {
            $sliderItems = $this->resolveEntityValue($resolverContext->getEntity(), $sliderItemsConfig->getStringValue());

            if ($sliderItems === null || (is_countable($sliderItems) ? \count($sliderItems) : 0) < 1) {
                return;
            }
            $this->sortItemsByPosition($sliderItems);

            if ($sliderItemsConfig->getStringValue() === 'product.media') {
                /** @var ProductEntity $productEntity */
                $productEntity = $resolverContext->getEntity();

                if ($productEntity->getCover()) {
                    /** @var ProductMediaCollection $sliderItems */
                    $sliderItems = new ProductMediaCollection(array_merge(
                        [$productEntity->getCoverId() => $productEntity->getCover()],
                        $sliderItems->getElements()
                    ));
                }