ui_patterns-8.x-1.4/modules/ui_patterns_library/ui_patterns_library.routing.yml

ui_suite.index:
  path: '/admin/appearance/ui'
  defaults:
    _controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
    _title: 'UI libraries'
  requirements:
    _permission: 'access patterns page+access_ui_styles_library+access_ui_examples_library+access ui icons library'

ui_patterns.patterns.overview:
  path: '/admin/appearance/ui/patterns'
  defaults:
    _controller: '\Drupal\ui_patterns_library\Controller\PatternsLibraryController::overview'
    _title: 'Pattern library'
  requirements:
    _permission: 'access patterns page'
  options:
    _admin_route: FALSE

ui_patterns.patterns.single:
  path: '/admin/appearance/ui/patterns/{name}'
  defaults:
    _controller: '\Drupal\ui_patterns_library\Controller\PatternsLibraryController::single'
    _title_callback: '\Drupal\ui_patterns_library\Controller\PatternsLibraryController::title'
  requirements:
    _permission: 'access patterns page'
  options:
    _admin_route: FALSE