{
    "openapi": "3.0.0",
    "info": {
        "title": "Example of using references in swagger-php",
        "version": "1.0.0"
    },
    "paths": {
        "/products/{product_id}": {
            "get": {
                "tags": [
                    "Products"
                ],
                "operationId": "UsingRefs\\ProductController::getProduct",
                "responses": {
                    "default": {
                        "description": "successful operation",
                        "content": {
                            "application/json": {
                                "schema": {
                                    "$ref": "#/components/responses/product"
                                }
                            }
                        }
                    }
                }
            },
            "patch": {
                "tags": [
                    "Products"
                ],
                "operationId": "UsingRefs\\ProductController::updateProduct",
                "parameters": [
                    {
                        "$ref": "#/components/requestBodies/product_in_body"
                    }
                ],
                "responses": {
                    "default": {
                        "description": "successful operation",
                        "content": {
                            "application/json": {
                                "schema": {
                                    "$ref": "#/components/responses/product"
                                }
                            }
                        }
                    }
                }
            },
            "parameters": [
                {
                    "$ref": "#/components/parameters/product_id_in_path_required"
                }
            ]
        },
        "/products": {
            "post": {
                "tags": [
                    "Products"
                ],
                "operationId": "UsingRefs\\ProductController::addProduct",
                "parameters": [
                    {
                        "$ref": "#/components/requestBodies/product_in_body"
                    }
                ],
                "responses": {
                    "default": {
                        "description": "successful operation",
                        "content": {
                            "application/json": {
                                "schema": {
                                    "$ref": "#/components/responses/product"
                                }
                            }
                        }
                    }
                }
            }
        }
    },
    "components": {
        "schemas": {
            "Product": {
                "title": "Product model",
                "description": "Product model",
                "properties": {
                    "id": {
                        "description": "The unique identifier of a product in our catalog.",
                        "type": "integer",
                        "format": "int64",
                        "example": 1
                    },
                    "status": {
                        "$ref": "#/components/schemas/product_status"
                    }
                },
                "type": "object"
            },
            "product_status": {
                "description": "The status of a product",
                "type": "string",
                "default": "available",
                "enum": [
                    "available",
                    "discontinued"
                ]
            }
        },
        "responses": {
            "product": {
                "description": "All information about a product",
                "content": {
                    "application/json": {
                        "schema": {
                            "$ref": "#/components/schemas/Product"
                        }
                    }
                }
            },
            "todo": {
                "description": "This API call has no documentated response (yet)"
            }
        },
        "parameters": {
            "product_id_in_path_required": {
                "name": "product_id",
                "in": "path",
                "description": "The ID of the product",
                "required": true,
                "schema": {
                    "type": "integer",
                    "format": "int64"
                }
            }
        },
        "requestBodies": {
            "product_in_body": {
                "description": "product_request",
                "required": true,
                "content": {
                    "application/json": {
                        "schema": {
                            "$ref": "#/components/schemas/Product"
                        }
                    }
                }
            }
        }
    }
}