[
  "alternative_payment_methods",
  "breadcrumb",
  "checkout_html_classes",
  "checkout_scripts",
  "checkout_stylesheets",
  "content_for_footer",
  "content_for_logo",
  "content_for_order_summary",
  "direction",
  "locale",
  "order_summary_toggle",
  "skip_to_content_link",
  "tracking_code"
]