insert-8.x-2.x-dev/modules/insert_colorbox/config/schema/insert_colorbox.schema.yml

insert_colorbox.config:
  type: config_object
  label: 'Insert Colorbox module configuration settings'
  mapping:
    style:
      type: string
      label: 'Image style to be applied to images viewed in the colorbox'
    gallery:
      type: string
      label: 'Whether to use a particular gallery aggregating the colorbox images'