{
  "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"
                }
              }
            }
          },
          "201": {
            "description": "Response description",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/objectWithNestedArray"
                }
              }
            }
          }
        }
      },
      "put": {
        "operationId": "putRoot",
        "parameters": [
          {
            "name":"statusObj",
            "in":"query",
            "required": true,
            "schema":{
              "type":"object",
              "required": [
                "available",
                "sold"
              ],
              "properties": {
                "available": {
                  "type": "boolean"
                },
                "pending": {
                  "type": "boolean"
                },
                "sold": {
                  "type": "boolean"
                }
              }
            }
          },
          {
            "name":"idsList",
            "in":"query",
            "required": false,
            "schema":{
              "type": "array",
              "items": {
                "type": "object",
                "required": [
                  "serial"
                ],
                "properties": {
                  "serial": {
                    "type": "string"
                  }
                }
              }
            }
          }
        ],
        "requestBody": {
          "description": "Request body description",
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/objectWithNestedArray"
              }
            }
          },
          "required": false
        },
        "responses": {
          "200": {
            "description": "Response description",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/composedObject"
                }
              }
            }
          }
        }
      }
    }
  },

  "components": {
    "schemas": {

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

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

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

      "topLevelArray": {
        "type": "array",
        "items": {
          "$ref": "#/components/schemas/objectWithNestedArray"
        }
      },
      "composedObject": {
        "type": "object",
        "required": [
          "b"
        ],
        "properties": {
          "a": {
            "$ref": "#/components/schemas/baseObject"
          },
          "b": {
            "$ref": "#/components/schemas/baseObject"
          }
        }
      }
    }
  }
}