{
  "openapi": "3.1.1",
  "info": {
    "title": "OpenAPI 3.1.1 transformers any of null example",
    "version": "1"
  },
  "paths": {
    "/foo": {
      "get": {
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "$ref": "#/components/schemas/Foo"
                  }
                }
              }
            }
          }
        }
      }
    },
    "/api/nested-date-object": {
      "get": {
        "operationId": "nestedDateObject",
        "responses": {
          "200": {
            "description": "Object with nested date",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/NestedDateObject"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "NestedDateObject": {
        "description": "Object with a nested date structure",
        "type": "object",
        "properties": {
          "foo": {
            "type": "object",
            "properties": {
              "bar": {
                "type": "string",
                "format": "date-time"
              }
            }
          }
        }
      },
      "Foo": {
        "type": "object",
        "properties": {
          "foo": {
            "type": "string",
            "format": "date-time"
          },
          "bar": {
            "anyOf": [
              {
                "type": "string",
                "format": "date-time"
              },
              {
                "type": "null"
              }
            ]
          },
          "baz": {
            "anyOf": [
              {
                "type": ["string", "null"],
                "format": "date-time"
              }
            ]
          },
          "requiredQux": {
            "anyOf": [
              {
                "type": ["string", "null"],
                "format": "date-time"
              }
            ]
          }
        },
        "required": ["requiredQux"]
      }
    }
  }
}