Swagger生成重复的模型类

Question

使用spring或jaxrs-spec为this minimal example生成服务器代码会创建两个模型类：Pet.java和InlineResposne200.java。除了类名之外，它们都是相同的。

响应/pets的控制器返回一个List<InlineResponse200>而不是List<Pet>，并且Pet类实际上从未在任何地方使用过，即使yaml定义使用了$ref: "#/definitions/Pet"。为什么会发生这种情况？

---
  swagger: "2.0"
  info: 
    version: "1.0.0"
    title: "Swagger Petstore"
    description: "A sample API that uses a petstore as an example to demonstrate features in the swagger-2.0 specification"
    termsOfService: "http://swagger.io/terms/"
    contact: 
      name: "Swagger API Team"
    license: 
      name: "MIT"
  host: "petstore.swagger.io"
  basePath: "/api"
  schemes: 
    - "http"
  consumes: 
    - "application/json"
  produces: 
    - "application/json"
  paths: 
    /pets: 
      get: 
        description: "Returns all pets from the system that the user has access to"
        produces: 
          - "application/json"
        responses: 
          "200":
            description: "A list of pets."
            schema: 
              type: "array"
              items: 
                $ref: "#/definitions/Pet"
  definitions: 
    Pet: 
      type: "object"
      required: 
        - "id"
        - "name"
      properties: 
        id: 
          type: "integer"
          format: "int64"
        name: 
          type: "string"
        tag: 
          type: "string"