preprocess-2.0.0/preprocess.services.yml

services:
  preprocess.plugin.manager:
    class: Drupal\preprocess\PreprocessPluginManager
    arguments: ['@container.namespaces', '@cache.discovery', '@module_handler', '@theme_handler', '@theme.manager']
  preprocess.manager:
    class: Drupal\preprocess\PreprocessManager
    arguments: ['@preprocess.plugin.manager', '@theme.registry', '@module_handler', '@theme.manager']