openapi: 2.0  # Invalid version - only v3 is supported
info:
  title: Invalid OpenAPI Version
  description: This uses OpenAPI v2 which is not supported
  version: 1.0.0
host: api.example.com
basePath: /v1
schemes:
  - https
paths:
  /users:
    get:
      summary: Get users
      responses:
        '200':
          description: List of users