test-schema.yaml

openapi: 3.0.2
info:
  title: API
  version: 1.0.0
  description: API
tags:
  - name: test
    description: test
security:
  - bearerAuth: [ ]
# Для текущей библиотеки (elements) для просмотра документации это не работает
#  - OAuth2: []
paths:
  /api/test:
    get:
      tags:
        - test
      summary: test
      description: test
      operationId: test
      responses:
        '200':
          description: Запрос успешно завершен
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/A'
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
  schemas:
    A:
      title: A
      allOf:
        - $ref: '#/components/schemas/B'
        - $ref: '#/components/schemas/C'
    B:
      type: object
      title: B
      properties:
        b:
          type: string
    C:
      title: C
      type: object
      additionalProperties: false
      minProperties: 1
      required:
        - data
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/D'
    D:
      type: object
      title: D
      properties:
        d:
          type: string