1. name:
  2. .definition:
  3. label: 'Machine name'
  4. type: string
  5. label:
  6. .definition:
  7. label: 'Label'
  8. type: text
  9. effects:
  10. .definition:
  11. label: 'Style effects'
  12. list: '1'
  13. list settings:
  14. elements name: 'image.style.effects.%'
  15. elements key: 'name'

core/modules/image/meta/image.style.%.yml