blazy-8.x-2.x-dev/modules/blazy_layout/blazy_layout.layouts.yml

blazy_layout:
  label: Blazy dynamic layout
  library: blazy_layout/layout
  class: '\Drupal\blazy_layout\Plugin\Layout\BlazyLayout'
  category: Blazy
  default_region: blzyr_0
  icon_map:
    - [blzyr_0]
  regions:
    blzyr_0:
      label: Main
    blzyr_1:
      label: Feature
    blzyr_2:
      label: Sidetop
    blzyr_3:
      label: Sidebar
    blzyr_4:
      label: Sidebelow
    blzyr_5:
      label: Footer middle first
    blzyr_6:
      label: Footer middle last
    blzyr_7:
      label: Footer first
    blzyr_8:
      label: Footer last