parameters:
    darvin_content.slug.handler.unique.class: Darvin\ContentBundle\Slug\UniqueSlugHandler

    darvin_content.slug.subscriber.class: Darvin\ContentBundle\EventListener\SlugSubscriber

services:
    darvin_content.slug.handler.unique:
        class: %darvin_content.slug.handler.unique.class%
        tags:
            - { name: darvin_utils.slug_handler }

    darvin_content.slug.subscriber:
        class: %darvin_content.slug.subscriber.class%
        arguments:
            - "@darvin_utils.mapping.metadata_factory"
            - "@property_accessor"
        tags:
            - { name: doctrine.event_subscriber, priority: -30 }
            - { name: kernel.event_listener,     event: darvin_utils.post_slugs_update, method: postSlugsUpdate }

parameters:
    darvin_content.slug.handler.unique.class: Darvin\ContentBundle\Slug\UniqueSlugHandler

    darvin_content.slug.subscriber.class: Darvin\ContentBundle\EventListener\SlugSubscriber

services:
    darvin_content.slug.handler.unique:
        class: %darvin_content.slug.handler.unique.class%
        tags:
            - { name: darvin_utils.slug_handler }

    darvin_content.slug.subscriber:
        class: %darvin_content.slug.subscriber.class%
        arguments:
            - "@darvin_utils.mapping.metadata_factory"
            - "@property_accessor"
        tags:
            - { name: doctrine.event_subscriber, priority: 100 }
            - { name: kernel.event_listener,     event: darvin_utils.post_slugs_update, method: postSlugsUpdate }

Modify Doctrine event subscriber priorities.
Modify Doctrine event subscriber priorities.
