def METHOD_NAME():
    content = {
        "example": {
            "nested": {"path": {"internal": "uh oh"}, "path/internal": "found it!"},
        },
        "reference": {"$ref": "#/example/nested/path/internal"},
    }
    config = resolver.preprocess_manifest(content)
    assert config["example"]["nested"]["path"]["internal"] == "uh oh"
    assert config["example"]["nested"]["path/internal"] == "found it!"
    assert config["reference"] == "found it!"