open_foundation-1.0.x-dev/config/sync/system.maintenance.yml

_core:
  default_config_hash: 1SNdA25INsV5YjlgAJtfC-6AM8VcWe_00xneMLb2yFg
langcode: en-gb
message: '@site is currently under maintenance. We should be back shortly. Thank you for your patience.'