hierarchy_manager.routing.yml

# Hierarchy Manager Configuration
hierarchy_manager.hm_config_form:
  path: '/admin/config/user-interface/hierarchy_manager/config'
  defaults:
    _form: '\Drupal\hierarchy_manager\Form\HMConfigForm'
    _title: 'HMConfigForm'
  requirements:
    _permission: 'access administration pages'
  options:
    _admin_route: TRUE

# Taxonomy display plugin.
hierarchy_manager.taxonomy.tree.json:
  path: '/admin/hierarchy_manager/taxonomy/json/{vid}'
  defaults:
    _title: 'Taxonomy tree'
    _controller: '\Drupal\hierarchy_manager\Controller\HmTaxonomyController::taxonomyTreeJson'
  requirements:
    _permission: 'administer taxonomy'
  options:
    _admin_route: TRUE
hierarchy_manager.taxonomy.tree.update:
  path: '/admin/hierarchy_manager/taxonomy/update/{vid}'
  defaults:
    _title: 'Taxonomy tree'
    _controller: '\Drupal\hierarchy_manager\Controller\HmTaxonomyController::updateTerms'
  requirements:
    _permission: 'administer taxonomy'
  options:
    _admin_route: TRUE