description: 'Displays all theme keys provided by hook_theme functions'
help: |
  Display all theme keys, or the definition for a specific theme key.

  List all theme keys:
  <info>drupal debug:theme:keys</info>

  Show the definition for the item_list theme key:
  <info>drupal debug:theme:keys item_list</info>
arguments:
    key: 'Key'
table-headers:
    key: 'Key'
    provider-type: 'Provider type'
    provider: 'Provider'
    value: 'Value'
provider-types:
    module: 'Module'
    base-theme-engine: 'Base theme engine'
    base-theme: 'Base theme'
    theme-engine: 'Theme engine'
    theme: 'Theme'