entity_browser.routing.yml

route_callbacks:
  - 'entity_browser.route_subscriber:routes'

entity_browser.edit_form:
  path: /entity_browser/{entity_type}/{entity}/edit
  defaults:
    _controller: '\Drupal\entity_browser\Controllers\EntityBrowserController::entityBrowserEdit'
  requirements:
    _entity_access: 'entity.update'
  options:
    _admin_route: TRUE
    parameters:
      entity:
        type: entity:{entity_type}

entity.entity_browser.add_form:
  path: '/admin/config/content/entity_browser/add'
  defaults:
    _entity_wizard: 'entity_browser.add'
    _title: 'Add Entity browser'
    tempstore_id: 'entity_browser.config'
  requirements:
    _permission: 'administer entity browsers'

entity.entity_browser.edit_form:
  path: '/admin/config/content/entity_browser/{entity_browser}/{step}'
  defaults:
    _entity_wizard: 'entity_browser.edit'
    _title: 'Edit Entity browser'
    tempstore_id: 'entity_browser.config'
    step: 'general'
  requirements:
    _permission: 'administer entity browsers'

entity.entity_browser.collection:
  path: '/admin/config/content/entity_browser'
  defaults:
    _entity_list: 'entity_browser'
    _title: 'Entity Browsers'
  requirements:
    _permission: 'administer entity browsers'

entity.entity_browser.delete_form:
  path: '/admin/config/content/entity_browser/{entity_browser}/delete'
  defaults:
    _entity_form: 'entity_browser.delete'
    _title: 'Delete Entity browser'
  requirements:
    _permission: 'administer entity browsers'