getAllFavoriteUserConfigs example

'sales_channel.deleted' => 'onSalesChannelDeleted',
        ];
    }

    public function onSalesChannelDeleted(EntityDeletedEvent $deletedEvent): void
    {
        $context = $deletedEvent->getContext();

        $deletedSalesChannelIds = $deletedEvent->getIds();

        $writeUserConfigs = [];
        foreach ($this->getAllFavoriteUserConfigs($context) as $userConfigEntity) {
            $salesChannelIds = $userConfigEntity->getValue();

            if ($salesChannelIds === null) {
                continue;
            }

            // Find matching IDs             $matchingIds = array_intersect($deletedSalesChannelIds, $salesChannelIds);

            if (!$matchingIds) {
                continue;
            }