commands-1.x-dev/modules/tasks/tasks.routing.yml

entity.task_type.collection:
  path: '/admin/structure/task_types'
  defaults:
    _entity_list: 'task_type'
    _title: 'Task types'
  requirements:
    _permission: 'administer task types'

entity.task_type.type_add:
  path: '/admin/structure/task_types/add/{plugin}'
  defaults:
    _entity_form: 'task_type.add'
    _title: 'Add command type'
  requirements:
    _permission: 'administer command types'

entity.task_type.edit_form:
  path: '/admin/structure/task_types/manage/{task_type}'
  defaults:
    _entity_form: 'task_type.edit'
    _title_callback: '\Drupal\Core\Entity\Controller\EntityController::title'
  requirements:
    _permission: 'administer command types'

entity.task_type.delete_form:
  path: '/admin/structure/task_types/manage/{task_type}/delete'
  defaults:
    _entity_form: 'task_type.delete'
    _title: 'Delete'
  requirements:
    _entity_access: 'task_type.delete'