devdocs-8.x-1.x-dev/devdocs_export/devdocs_export.routing.yml

devdocs_export.form:
  path: '/admin/reports/devdocs/export'
  defaults:
    _form: '\Drupal\devdocs_export\Form\DevDocsExportForm'
    _title: 'Developer documentation export'
  requirements:
    _permission: 'access developer documentation'
devdocs_export.export:
  path: '/docs/export/pdf'
  defaults:
    _controller: '\Drupal\devdocs_export\Controller\DocsExport::pdf'
    _title: 'PDF export'
  requirements:
    _permission: 'access developer documentation'