{
    "name": "when-dependencies",
    "when": {
        "condition": "impl(ghc < 8.2.2)",
        "then": {
            "dependencies": [
                "base == 4.*",
                "yaml"
            ]
        },
        "else": {
            "dependencies": [
                "base == 4.*",
                "yaml-pretty-extras"
            ]
        }
    }
}