{
  "openapi": "3.0.0",
  "info" : {
    "title": "title",
    "version": "0.1"
  },
  "servers": [
    {
      "url": "http://localhost"
    }
  ],
  "paths": {
    "/": {
      "post": {
        "operationId": "postRoot",
        "requestBody": {
          "description": "Request body description",
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/topLevelArray"
              }
            }
          },
          "required": true
        },
        "responses": {
          "200": {
            "description": "Response description",
            "content": {
              "application/json": {
                "schema": {
                    "$ref": "#/components/schemas/topLevelArray"
                  }
                }
              }
            }
          }
      }
    }
  },

  "components": {
    "schemas": {

      "baseObject": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "id": {
            "type": "integer"
          }
        }
      },

      "baseArray": {
        "type": "array",
        "items": {
          "$ref": "#/components/schemas/baseObject"
        }
      },

      "objectWithNestedArray": {
        "type": "object",
        "properties": {
          "first": {
            "$ref": "#/components/schemas/baseArray"
          },
          "second": {
            "$ref": "#/components/schemas/baseArray"
          }
        }
      },

      "topLevelArray": {
        "type": "array",
        "items": {
          "$ref": "#/components/schemas/objectWithNestedArray"
        }
      }

    }
  }
}