layout_bg-8.x-1.0/config/schema/layout_bg.schema.yml

layout_plugin.settings.layout_bg_twocol:
  type: layout_plugin.settings.layout_twocol_section
  mapping:
    background_color:
      type: string
      label: 'Background Color'
    static_image:
      type: boolean
      label: 'Static Image'
    center_content:
      type: boolean
      label: 'Center Content'
    add_overlay:
      type: boolean
      label: 'Add Overlay'
    overlay_color:
      type: string
      label: 'Overlay Color'
    overlay_opacity:
      type: string
      label: 'Overlay Opacity'
    set_text_color:
      type: boolean
      label: 'Set Text Color'
    text_color:
      type: string
      label: 'Text Color'
    link_underline:
      type: boolean
      label: 'Link Underline'

layout_plugin.settings.layout_bg_onecol:
  type: layout_plugin.settings
  mapping:
    background_color:
      type: string
      label: 'Background Color'
    static_image:
      type: boolean
      label: 'Static Image'
    center_content:
      type: boolean
      label: 'Center Content'
    add_overlay:
      type: boolean
      label: 'Add Overlay'
    overlay_color:
      type: string
      label: 'Overlay Color'
    overlay_opacity:
      type: string
      label: 'Overlay Opacity'
    set_text_color:
      type: boolean
      label: 'Set Text Color'
    text_color:
      type: string
      label: 'Text Color'
    link_underline:
      type: boolean
      label: 'Link Underline'