{
  "openapi": "3.0.3",
  "info": {
    "title": "Polymorphism support",
    "description": "https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.3.md#schema-object",
    "version": "1.0.0"
  },
  "servers": [
    {
      "url": "https://httpbin.org"
    }
  ],
  "paths": {
    "/pets": {
      "patch": {
        "summary": "oneOf request with a nested allOf",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "oneOf": [
                  {
                    "$ref": "#/components/schemas/Cat"
                  },
                  {
                    "$ref": "#/components/schemas/Dog"
                  }
                ],
                "discriminator": {
                  "propertyName": "pet_type"
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Updated"
          }
        }
      }
    },
    "/anything/all-of-object": {
      "post": {
        "summary": "allOf with listed objects",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "allOf": [
                  {
                    "title": "First type of object",
                    "type": "object",
                    "properties": {
                      "a": {
                        "type": "string"
                      },
                      "b": {
                        "type": "string"
                      }
                    }
                  },
                  {
                    "title": "Second type of object",
                    "type": "object",
                    "properties": {
                      "c": {
                        "type": "string"
                      },
                      "d": {
                        "type": "string"
                      }
                    }
                  }
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/anything/any-of-object": {
      "post": {
        "summary": "anyOf object",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "anyOf": [
                  {
                    "title": "First type of object",
                    "type": "object",
                    "properties": {
                      "a": {
                        "type": "string"
                      },
                      "b": {
                        "type": "string"
                      }
                    }
                  },
                  {
                    "title": "Second type of object",
                    "type": "object",
                    "properties": {
                      "c": {
                        "type": "string"
                      },
                      "d": {
                        "type": "string"
                      }
                    }
                  }
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/anything/any-of-primitive": {
      "post": {
        "summary": "anyOf primitive",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "anyOf": [
                  {
                    "title": "First type of primitive",
                    "type": "string"
                  },
                  {
                    "title": "Second type of primitive",
                    "type": "integer"
                  }
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/any-of-with-type": {
      "post": {
        "summary": "anyOf With Type",
        "description": "AnyOf's with a top level type parameter should not render that type outside of their options",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "event": {
                    "type": "string",
                    "anyOf": [
                      {
                        "title": "First type of primitive",
                        "type": "string"
                      },
                      {
                        "title": "Second type of primitive",
                        "type": "string"
                      }
                    ]
                  }
                }
              }
            }
          }
        },
        "responses": {
          "204": { "description": "Provides no response body" }
        }
      }
    },
    "/anything/one-of-object": {
      "post": {
        "summary": "oneOf object",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "oneOf": [
                  {
                    "title": "First type of object",
                    "type": "object",
                    "properties": {
                      "a": {
                        "type": "string"
                      },
                      "b": {
                        "type": "string"
                      }
                    }
                  },
                  {
                    "title": "Second type of object",
                    "type": "object",
                    "properties": {
                      "c": {
                        "type": "string"
                      },
                      "d": {
                        "type": "string"
                      }
                    }
                  }
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/anything/one-of-primitive": {
      "post": {
        "summary": "oneOf primitive",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "oneOf": [
                  {
                    "title": "First type of primitive",
                    "type": "string"
                  },
                  {
                    "title": "Second type of primitive",
                    "type": "integer"
                  }
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/anything/one-of-object-ref": {
      "post": {
        "summary": "oneOf object with $ref pointers",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "oneOf": [
                  {
                    "$ref": "#/components/schemas/object1"
                  },
                  {
                    "$ref": "#/components/schemas/object2"
                  }
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/one-of-complex": {
      "post": {
        "summary": "oneOf object with a complex schema",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "oneOf": [
                  {
                    "title": "Andalucia",
                    "type": "object",
                    "properties": {
                      "listing_id": {
                        "type": "integer"
                      },
                      "regulatory_body": {
                        "type": "string"
                      },
                      "registration": {
                        "type": "object",
                        "properties": {
                          "permit_number": {
                            "type": "string"
                          },
                          "registration_ownership": {
                            "type": "string",
                            "enum": ["OWNER", "PROPERTY_MANAGER"]
                          },
                          "email": {
                            "type": "string"
                          },
                          "full_name": {
                            "type": "string"
                          },
                          "identification_number": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "permit_number",
                          "registration_ownership",
                          "email",
                          "full_name",
                          "identification_number"
                        ]
                      },
                      "exemption": {
                        "type": "object",
                        "properties": {
                          "reason": {
                            "type": "string",
                            "enum": ["LISTING_TYPE_NOT_INCLUDED", "LISTING_NOT_TOURIST_ACCOMMODATION"]
                          },
                          "registration_ownership": {
                            "type": "string",
                            "enum": ["OWNER", "PROPERTY_MANAGER"]
                          },
                          "email": {
                            "type": "string"
                          },
                          "full_name": {
                            "type": "string"
                          },
                          "identification_number": {
                            "type": "string"
                          }
                        },
                        "required": ["reason", "registration_ownership", "email", "full_name", "identification_number"]
                      }
                    },
                    "required": ["listing_id", "regulatory_body"]
                  },
                  {
                    "title": "Baltimore",
                    "type": "object",
                    "properties": {
                      "listing_id": {
                        "type": "integer"
                      },
                      "regulatory_body": {
                        "type": "string"
                      },
                      "registration": {
                        "type": "object",
                        "properties": {
                          "permit_number": {
                            "type": "string"
                          },
                          "expiration_date": {
                            "type": "string"
                          },
                          "full_name": {
                            "type": "string"
                          },
                          "email": {
                            "type": "string"
                          },
                          "listing_address": {
                            "type": "string"
                          },
                          "attestation_existing_registration": {
                            "type": "boolean"
                          }
                        },
                        "required": [
                          "permit_number",
                          "expiration_date",
                          "full_name",
                          "email",
                          "listing_address",
                          "attestation_existing_registration"
                        ]
                      },
                      "exemption": {
                        "type": "object",
                        "properties": {
                          "exemption_reason": {
                            "type": "string",
                            "enum": ["hotel_motel"]
                          },
                          "full_name": {
                            "type": "string"
                          },
                          "email": {
                            "type": "string"
                          },
                          "attestation_exemption_claim": {
                            "type": "boolean"
                          }
                        },
                        "required": ["exemption_reason", "full_name", "email", "attestation_exemption_claim"]
                      }
                    },
                    "required": ["listing_id", "regulatory_body"]
                  },
                  {
                    "title": "Boston",
                    "type": "object",
                    "properties": {
                      "listing_id": {
                        "type": "integer"
                      },
                      "regulatory_body": {
                        "type": "string"
                      },
                      "registration": {
                        "type": "object",
                        "properties": {
                          "permit_number": {
                            "type": "string"
                          },
                          "email": {
                            "type": "string"
                          },
                          "full_name": {
                            "type": "string"
                          },
                          "listing_address": {
                            "type": "string"
                          },
                          "attestation": {
                            "type": "boolean"
                          }
                        },
                        "required": ["permit_number", "email", "full_name", "listing_address", "attestation"]
                      },
                      "exemption": {
                        "type": "object",
                        "properties": {
                          "exemption_reason": {
                            "type": "string",
                            "enum": ["hotel_motel", "bed_breakfast_lodging", "institutional_business", "hospitals"]
                          },
                          "listing_address": {
                            "type": "string"
                          },
                          "attestation": {
                            "type": "boolean"
                          }
                        },
                        "required": ["exemption_reason", "listing_address", "attestation"]
                      }
                    },
                    "required": ["listing_id", "regulatory_body"]
                  },
                  {
                    "title": "Catalonia",
                    "type": "object",
                    "properties": {
                      "listing_id": {
                        "type": "integer"
                      },
                      "regulatory_body": {
                        "type": "string"
                      },
                      "registration": {
                        "type": "object",
                        "properties": {
                          "permit_number": {
                            "type": "string"
                          },
                          "registration_ownership": {
                            "type": "string"
                          },
                          "email": {
                            "type": "string"
                          },
                          "full_name": {
                            "type": "string"
                          },
                          "identification_number": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "permit_number",
                          "registration_ownership",
                          "email",
                          "full_name",
                          "identification_number"
                        ]
                      },
                      "exemption": {
                        "type": "object",
                        "properties": {
                          "reason": {
                            "type": "string",
                            "enum": ["listing_not_full_building", "listing_is_shared_room", "other_exemption_reason"]
                          },
                          "registration_ownership": {
                            "type": "string",
                            "enum": ["OWNER", "PROPERTY_MANAGER"]
                          },
                          "email": {
                            "type": "string"
                          },
                          "full_name": {
                            "type": "string"
                          },
                          "identification_number": {
                            "type": "string"
                          }
                        },
                        "required": ["reason", "registration_ownership", "email", "full_name", "identification_number"]
                      }
                    },
                    "required": ["listing_id", "regulatory_body"]
                  },
                  {
                    "title": "Chicago",
                    "type": "object",
                    "properties": {
                      "listing_id": {
                        "type": "integer"
                      },
                      "regulatory_body": {
                        "type": "string"
                      },
                      "registration": {
                        "type": "object",
                        "properties": {
                          "permit_number": {
                            "type": "string"
                          }
                        },
                        "required": ["permit_number"]
                      }
                    },
                    "required": ["listing_id", "regulatory_body", "registration"]
                  },
                  {
                    "title": "Cuba",
                    "type": "object",
                    "properties": {
                      "listing_id": {
                        "type": "integer"
                      },
                      "regulatory_body": {
                        "type": "string"
                      },
                      "affiliation": {
                        "type": "object",
                        "properties": {
                          "attestation_entrepreneur": {
                            "type": "boolean"
                          },
                          "listing_address": {
                            "type": "string"
                          }
                        },
                        "required": ["attestation_entrepreneur", "listing_address"]
                      }
                    },
                    "required": ["listing_id", "regulatory_body", "affiliation"]
                  },
                  {
                    "title": "Denmark",
                    "type": "object",
                    "properties": {
                      "listing_id": {
                        "type": "integer"
                      },
                      "regulatory_body": {
                        "type": "string"
                      },
                      "categorization": {
                        "type": "object",
                        "properties": {
                          "listing_type": {
                            "type": "string",
                            "enum": [
                              "primary_residence",
                              "houseboat",
                              "tent",
                              "tree_house",
                              "hotel_or_hostel",
                              "serviced_apartment",
                              "trailer",
                              "mobile_home",
                              "summer_house"
                            ]
                          },
                          "data_reporting_status": {
                            "type": "string",
                            "enum": ["private_activity", "business_activity"]
                          },
                          "data_reporting_bbr": {
                            "type": "string"
                          },
                          "attestation": {
                            "type": "boolean"
                          },
                          "attestation_conditional": {
                            "type": "boolean"
                          }
                        },
                        "required": ["listing_type"]
                      }
                    },
                    "required": ["listing_id", "regulatory_body", "categorization"]
                  }
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/anything/nested-one-of-object-ref": {
      "post": {
        "summary": "nested oneOf object with $ref pointers",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "config": {
                    "oneOf": [
                      {
                        "$ref": "#/components/schemas/object1"
                      },
                      {
                        "$ref": "#/components/schemas/object2"
                      }
                    ]
                  }
                },
                "additionalProperties": false
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/anything/nested-one-of-ref": {
      "post": {
        "requestBody": {
          "$ref": "#/components/requestBodies/nested-one-of-ref"
        },
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/anything/nested-one-of-object-with-nested-one-of": {
      "post": {
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "config": {
                    "oneOf": [
                      {
                        "$ref": "#/components/schemas/object1"
                      },
                      {
                        "$ref": "#/components/schemas/object2"
                      },
                      {
                        "oneOf": [
                          {
                            "$ref": "#/components/schemas/Cat"
                          },
                          {
                            "$ref": "#/components/schemas/Dog"
                          }
                        ],
                        "discriminator": {
                          "propertyName": "pet_type"
                        }
                      }
                    ]
                  }
                },
                "additionalProperties": false
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/one-of-with-type": {
      "post": {
        "summary": "One Of With Type",
        "description": "OneOf's with a top level type parameter should not render that type outside of their options",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "event": {
                    "type": "string",
                    "oneOf": [{ "description": "oneof one" }, { "description": "oneof two" }]
                  }
                }
              }
            }
          }
        },
        "responses": {
          "204": { "description": "Provides no response body" }
        }
      }
    }
  },
  "components": {
    "requestBodies": {
      "nested-one-of-ref": {
        "required": true,
        "content": {
          "application/json": {
            "schema": {
              "type": "object",
              "properties": {
                "config": {
                  "oneOf": [
                    {
                      "$ref": "#/components/schemas/string1"
                    },
                    {
                      "$ref": "#/components/schemas/string2"
                    }
                  ]
                }
              },
              "additionalProperties": false
            }
          }
        }
      }
    },
    "schemas": {
      "Pet": {
        "type": "object",
        "required": ["pet_type"],
        "properties": {
          "pet_type": {
            "type": "string"
          }
        },
        "discriminator": {
          "propertyName": "pet_type"
        }
      },
      "Dog": {
        "title": "Woof",
        "allOf": [
          {
            "$ref": "#/components/schemas/Pet"
          },
          {
            "type": "object",
            "properties": {
              "bark": {
                "type": "boolean"
              },
              "breed": {
                "type": "string",
                "enum": ["Dingo", "Husky", "Retriever", "Shepherd"]
              }
            }
          }
        ]
      },
      "Cat": {
        "title": "Meow",
        "type": "object",
        "allOf": [
          {
            "$ref": "#/components/schemas/Pet"
          },
          {
            "type": "object",
            "properties": {
              "hunts": {
                "type": "boolean"
              },
              "age": {
                "type": "integer"
              }
            }
          }
        ]
      },
      "object1": {
        "title": "First type of object",
        "type": "object",
        "properties": {
          "a": {
            "type": "string"
          },
          "b": {
            "type": "string"
          }
        }
      },
      "object2": {
        "title": "Second type of object",
        "type": "object",
        "properties": {
          "c": {
            "type": "string"
          },
          "d": {
            "type": "string"
          }
        }
      },
      "string1": {
        "type": "string"
      },
      "string2": {
        "type": "string"
      }
    }
  }
}