{
  "swagger": "2.0",
  "info": {
    "title": "Swagger Fixture",
    "version": "1.0"
  },
  "paths": {
    "/a/": {
      "get": {
        "parameters": [
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "type": "integer"
          }
        ],
        "responses": {
          "200": {
            "description": "200 response",
            "schema": {
              "type": "array",
              "items": { "$ref": "#/definitions/A1" }
            }
          }
        }
      },
      "post": {
        "parameters": [
          {
            "name": "",
            "in": "body",
            "schema": { "$ref": "#/definitions/A2" }
          }
        ],
        "responses": {
          "200": {
            "description": "200 response",
            "schema": { "$ref": "#/definitions/A3" }
          }
        }
      }
    },
    "/a/{id}": {
      "get": {
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "type": "integer"
          }
        ],
        "responses": {
          "200": {
            "description": "200 response",
            "schema": { "$ref": "#/definitions/A3" }
          }
        }
      },
      "post": {
        "deprecated": true,
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "type": "integer"
          }
        ],
        "responses": {
          "200": {
            "description": "200 response",
            "schema": { "$ref": "#/definitions/A3" }
          }
        }
      },
      "patch" : {
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "type": "integer"
          },
          {
            "name": "",
            "in": "body",
            "schema": { "$ref": "#/definitions/A4" }
          }
        ],
        "responses": {
          "200": {
            "description": "200 response",
            "schema": { "$ref": "#/definitions/A6" }
          }
        }
      },
      "put" : {
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "type": "integer"
          },
          {
            "name": "",
            "in": "body",
            "schema": { "$ref": "#/definitions/A2" }
          }
        ],
        "responses": {
          "200": {
            "description": "200 response",
            "schema": { "$ref": "#/definitions/A3" }
          }
        }
      }
    },
    "/b/": {
      "post": {
        "parameters": [
          {
            "name": "",
            "in": "body",
            "schema": { "$ref": "#/definitions/B3" }
          }
        ],
        "responses": {
          "200": {
            "description": "200 response",
            "schema": { "$ref": "#/definitions/A1" }
          }
        }
      }
    },
    "/b/{id}": {
      "put": {
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "type": "integer"
          },
          {
            "name": "",
            "in": "body",
            "schema": { "$ref": "#/definitions/B1" }
          }
        ],
        "responses": {
          "200": {
            "description": "200 response",
            "schema": { "$ref": "#/definitions/B2" }
          }
        }
      }
    },
    "/c/": {
      "get": {
        "responses": {
          "200": {
            "description": "200 response",
            "schema": {
              "type": "array",
              "items": { "$ref": "#/definitions/C1" }
            }
          },
          "201": {
            "description": "201 response",
            "schema": {
              "type": "array",
              "items": { "$ref": "#/definitions/C1" }
            }
          }
        }
      },
      "post": {
        "parameters": [
          {
            "name": "",
            "in": "body",
            "schema": { "$ref": "#/definitions/C2" }
          }
        ],
        "responses": {
          "204": {
            "description": "204 response"
          }
        }
      }
    }
  },
  "definitions": {
    "A1": {
      "type": "object",
      "properties": {
        "id": { "type": "integer" },
        "name": { "type": "string" }
      }
    },
    "A2": {
      "type": "object",
      "required": [ "name", "description" ],
      "properties": {
        "name": { "type": "string" },
        "description": { "type": "string" }
      }
    },
    "A3": {
      "type": "object",
      "properties": {
        "id": { "type": "integer" },
        "name": { "type": "string" },
        "description": { "type": "string" },
        "letters": {
          "type": "array",
          "items": { "type": "string" }
        },
        "attributes": {
          "type": "object",
          "additionalProperties": { "type": "string" }
        }
      }
    },
    "A4": {
      "type": "object",
      "properties": {
        "id": { "type": "integer" },
        "name": { "type": ["string", "null"] },
        "obj": { "$ref": "#/definitions/A5" },
        "str": { "type": "string" }
      }
    },
    "A5": {
      "type": "object",
      "properties": {
        "thing": { "type": "integer" },
        "name": { "type": "string" }
      }
    },
    "A6": {
      "type": "object",
      "properties": {
        "id": { "type": "integer" },
        "name": { "type": "string" },
        "obj": { "$ref": "#/definitions/A5" },
        "objs": { "type": "array",
                  "items": { "$ref": "#/definitions/A5" }
        },
        "str": { "type": "string" }
      }
    },
    "B1": {
      "type": "object",
      "allOf": [
        { "$ref": "#/definitions/A2" },
        {
          "required": ["req"],
          "properties": {
            "req": { "type": "string" },
            "opt": { "type": "string" }
          }
        }
      ]
    },
    "B2": {
      "type": "object",
      "allOf": [
        { "$ref": "#/definitions/A3" },
        {
          "properties": {
            "key1": { "type": "integer" },
            "key2": { "type": "string" }
          }
        }
      ]
    },
    "B3": {
      "type": "object",
      "properties": {
        "name": { "type": "string" }
      }
    },
    "C1": {
      "type": "object",
      "properties": {
        "id": { "type": "integer" },
        "name": { "type": "string" }
      }
    },
    "C2": {
      "type": "object",
      "properties": {
        "existing": { "$ref": "#/definitions/C3" }
      }
    },
    "C3": {
      "type": "object",
      "required": [ "a" ],
      "properties": {
        "a": { "type": "string" },
        "b": { "type": "string" }
      }
    },
    "C4": {
      "type": "object",
      "required": [ "a", "b" ],
      "properties": {
        "a": { "type": "string" },
        "b": { "type": "string" }
      }
    }
  }
}