presto-8.x-2.2/presto.services.yml

services:
  plugin.manager.presto.demo_content:
    class: Drupal\presto\Installer\DemoContentManager
    parent: default_plugin_manager

  plugin.manager.presto.optional_dependencies:
    class: Drupal\presto\Installer\OptionalDependencies\OptionalDependencyManager
    parent: default_plugin_manager

  presto.install.optional_dependencies:
    class: Drupal\presto\Installer\OptionalDependencies\OptionalDependenciesInstaller
    arguments: ['@plugin.manager.presto.optional_dependencies']

  presto.installer.ecommerce:
    class: Drupal\presto\Installer\Ecommerce\EcommerceInstaller
    arguments: ['@plugin.manager.presto.demo_content']