rougail-user-data-yaml/tests/invalid/results/invalid_unknown/errors.json

{
    "errors": [],
    "warnings": [
        [
            [
                "the value \"oups\" is an invalid boolean, invalid value, it will be ignored when loading from the YAML file \"tests/invalid/invalid/00.yml\"",
                "a_family.a_boolean",
                null
            ]
        ]
    ]
}