artisan-1.x-dev/components/header/header.component.yml

$schema: https://git.drupalcode.org/project/drupal/-/raw/HEAD/core/assets/schemas/v1/metadata.schema.json
name: Header
slots:
  top:
    title: Header top content
    examples:
      - <span>Header top content</span>
  content:
    title: Header content
    examples:
      - <span>Header content</span>
props:
  type: object
  properties:
    attributes:
      type: Drupal\Core\Template\Attribute
      name: Attributes
      title: Attributes
      examples:
        - class: [ 'example-class-attribute' ]
libraryOverrides:
  dependencies:
    - core/drupal
    - core/drupal.debounce
    - core/once