DefinitelyTyped/types/node/package.json

{
    "private": true,
    "types": "index",
    "typesVersions": {
        "<=3.1": {
            "*": [
                "ts3.1/*"
            ]
        },
        "<=3.4": {
            "*": [
                "ts3.4/*"
            ]
        },
        "<=3.6": {
            "*": [
                "ts3.6/*"
            ]
        }
    }
}