v1/web/modules/contrib/flag/flag.routing.yml

flag.add_page:
  path: '/admin/structure/flags/add'
  defaults:
    _form: '\Drupal\flag\Form\FlagAddPageForm'
    _title: 'Add flag'
  requirements:
    _permission: 'administer flags'

entity.flag.collection:
  path: '/admin/structure/flags'
  defaults:
    _entity_list: 'flag'
    _title: 'Flags'
  requirements:
    _permission: 'administer flags'

entity.flag.add_form:
  path: '/admin/structure/flags/add/{entity_type}'
  defaults:
    _entity_form: flag.add
    _title: 'Add flag'
  requirements:
    _permission: 'administer flags'

entity.flag.edit_form:
  path: '/admin/structure/flags/manage/{flag}'
  defaults:
    _entity_form: flag.edit
    _title: 'Edit Flag'
  requirements:
    _entity_access: 'flag.update'

entity.flag.delete_form:
  path: '/admin/structure/flags/manage/{flag}/delete'
  defaults:
    _entity_form: flag.delete
    _title: 'Delete Flag'
  requirements:
    _entity_access: 'flag.update'

flag.action_link_flag:
  path: '/flag/flag/{flag}/{entity_id}'
  defaults:
    _controller: '\Drupal\flag\Controller\ActionLinkController::flag'
  methods: [POST]
  requirements:
    _flag_access: 'entity:flag{flag}'
    _format: 'html'
    _csrf_token: 'TRUE'

flag.action_link_flag_nojs:
  path: '/flag/flag/{flag}/{entity_id}'
  defaults:
    _controller: '\Drupal\flag\Controller\ActionLinkNoJsController::flag'
  methods: [GET]
  requirements:
    _flag_access: 'entity:flag{flag}'
    _format: 'html'
    _csrf_token: 'TRUE'

flag.action_link_unflag:
  path: '/flag/unflag/{flag}/{entity_id}'
  defaults:
    _controller: '\Drupal\flag\Controller\ActionLinkController::unflag'
  methods: [POST]
  requirements:
    _unflag_access: 'entity:flag{flag}'
    _format: 'html'
    _csrf_token: 'TRUE'

flag.action_link_unflag_nojs:
  path: '/flag/unflag/{flag}/{entity_id}'
  defaults:
    _controller: '\Drupal\flag\Controller\ActionLinkNoJsController::unflag'
  methods: [GET]
  requirements:
    _unflag_access: 'entity:flag{flag}'
    _format: 'html'
    _csrf_token: 'TRUE'

flag.confirm_flag:
  path: '/flag/confirm/flag/{flag}/{entity_id}'
  defaults:
    _form: '\Drupal\flag\Form\FlagConfirmForm'
    _title: 'Flag Content'
  requirements:
    _flag_access: 'entity:flag{flag}'

flag.confirm_unflag:
  path: '/flag/confirm/unflag/{flag}/{entity_id}'
  defaults:
    _form: '\Drupal\flag\Form\UnflagConfirmForm'
    _title: 'Flag Content'
  requirements:
    _unflag_access: 'entity:flag{flag}'

flag.field_entry:
  path: '/flag/details/flag/{flag}/{entity_id}'
  defaults:
    _controller: '\Drupal\flag\Controller\FieldEntryFormController::flag'
    _title_callback: '\Drupal\flag\Controller\FieldEntryFormController::flagTitle'
  requirements:
    _flag_access: 'entity:flag{flag}'

flag.field_entry.edit:
  path: '/flag/details/edit/{flag}/{entity_id}'
  defaults:
    _controller: '\Drupal\flag\Controller\FieldEntryFormController::edit'
    _title_callback: '\Drupal\flag\Controller\FieldEntryFormController::editTitle'
  requirements:
    _flag_access: 'entity:flag{flag}'

flag.field_entry.delete:
  path: '/flag/details/delete/{flag}/{entity_id}'
  defaults:
    _form: '\Drupal\flag\Form\UnflaggingForm'
    _title: 'Unflag Content'
  requirements:
    _unflag_access: 'entity:flag{flag}'

entity.flag.enable:
  path: '/admin/structure/flags/manage/{flag}/enable'
  defaults:
    _form: '\Drupal\flag\Form\FlagDisableConfirmForm'
    _title: 'Enable Flag?'
  requirements:
    _permission: 'administer flags'

entity.flag.disable:
  path: '/admin/structure/flags/manage/{flag}/disable'
  defaults:
    _form: '\Drupal\flag\Form\FlagDisableConfirmForm'
    _title: 'Disable Flag?'
  requirements:
    _permission: 'administer flags'

entity.flag.reset:
  path: '/admin/structure/flags/manage/{flag}/reset'
  defaults:
    _form: '\Drupal\flag\Form\FlagResetForm'
    _title: 'Reset Flag?'
  requirements:
    _permission: 'administer flags'