oneOf-issue.openapi.yaml

openapi: "3.0.0"
info:
  version: 1.0.0
  title: OneOf example
paths:
  /search:
    post:
      requestBody:
        content:
          application/json:
              schema:
                $ref: "#/components/schemas/Filter"
      responses:
        '200':
          description: Expected response to a valid request
          content:
            application/json:
              schema:
                type: object

components:
  schemas:
    Username:
      type: object
      properties:
        username:
          type: string
      required:
        - username
    AccountNumber:
      type: object
      properties:
        accountNumber:
          type: string
      required:
        - accountNumber
    Filter:
      oneOf:
        -  $ref: "#/components/schemas/Username"
        -  $ref: "#/components/schemas/AccountNumber"
      type: object