post:
  description: Manage user groups
  requestBody:
    required: true
    content:
      application/x-www-form-urlencoded:
        schema:
          type: object
          properties:
            items:
              type: array
              items:
                type: string
                description: username
            add_remove:
              type: string
              enum:
                - add
                - remove
            checked_groups:
              type: array
              items:
                type: string
            default_group:
              type: string
  responses:
    '200':
      description: manage user groups response
      content:
        application/json:
          schema:
            type: object
            properties:
              feedback:
                type: object
                description: Contains results of the operation
    '403':
      description: forbidden
      content:
        application/json:
          schema:
            $ref: schemas-Error.yaml