display_builder-1.0.x-dev/modules/display_builder_devel/display_builder_devel.links.action.yml

display_builder_devel.add_form:
  route_name: display_builder_devel.add
  title: "Add demo instance"
  appears_on:
    - display_builder_devel.collection

display_builder_devel.delete_all:
  route_name: display_builder_devel.delete_all
  title: "Delete all instances"
  appears_on:
    - display_builder_devel.collection
  options:
    attributes:
      class:
        - "button--danger"

display_builder_devel.delete_all_presets:
  route_name: display_builder_devel.presets.delete_all
  title: "Delete all presets"
  appears_on:
    - entity.pattern_preset.collection
  options:
    attributes:
      class:
        - "button--danger"
  weight: 10