{
  "openapi": "3.1.0",
  "info": {
    "version": "1.0.0"
  },
  "components": {
    "schemas": {
      "Foo": {
        "properties": {
          "foo": { "type": "string" },
          "bar": { "type": "string" },
          "baz": { "type": "string" }
        },
        "required": ["foo"],
        "anyOf": [
          {
            "properties": { "bar": { "type": "string" } },
            "required": ["bar"]
          },
          {
            "properties": { "baz": { "type": "string" } },
            "required": ["baz"]
          }
        ]
      }
    }
  }
}