get:
  summary: List all attribute namespaces.
  description: List all attribute namespaces.
  security:
    - basic_authentication: []
  responses:
    '200':
      description: |
        OK. The request has succeeded.

        XML Schema used for body validation: [directory.xsd](../schema/directory.xsd)
      content:
        application/xml; charset=utf-8:
          schema:
            $ref: '../components/schemas/directory.yaml'
          example:
            count: '2'
            entry:
              - name: 'OBS'
              - name: 'openSUSE'
    '401':
      $ref: '../components/responses/unauthorized.yaml'
  tags:
    - Attribute Namespaces
