{
    "openapi": "3.0.0",
    "info": {
        "title": "OAI Specification w/ refs in JSON",
        "x-my-extension": {"k": 42},
        "version": "1"
    },
    "paths": {},
    "components": {
        "schemas": {
            "AnotherTestSchema": {
                "$ref": "components.openapi.json#/components/schemas/CustomTestSchema"
            }
        }
    }
}