openapi: 3.0.0
info:
  description: Test API
  version: v1
  title: Test API
tags:
  - name: Test
    description: Test API
servers:
  - url: /v1
paths:
  /test:
    post:
      tags:
        - Test
      summary: Test endpoint
      description: Test
      operationId: postTest
      responses:
        '200':
          description: Returns response
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/test'
components:
  schemas:
    test:
      type: object
      properties:
        a:
          type: string
        b:
          type: integer
        c:
          oneOf:
            - type: object
            - type: array
              items:
                type: string
            - type: boolean
            - type: integer
            - type: number