{
  "paths": {
    "/operation": {
      "post": {
        "summary": "operation",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "allOf": [
                  {
                    "type": "object",
                    "properties": {
                      "AAAAA": { "allOf": [{ "description": "AAAAA", "type": "string" }, { "examples": ["AAAAA"] }] },
                      "BBBBB": {
                        "allOf": [
                          {
                            "$ref": "#/paths/~1operation/post/requestBody/content/application~1json/schema/allOf/0/properties/AAAAA/allOf/0",
                            "description": "BBBBB"
                          },
                          { "examples": ["BBBBB"] }
                        ]
                      }
                    }
                  }
                ]
              }
            }
          }
        },
        "operationId": "operationId",
        "security": []
      }
    }
  },
  "servers": [{ "url": "http://example.com" }],
  "openapi": "3.1.0",
  "info": { "title": "Test", "version": "version" }
}