@openstreetmap/id-tagging-schema/data/fields/lifeguard.json

The OpenStreetMap tagging model used by the iD editor

{
    "key": "lifeguard",
    "type": "radio",
    "label": "Type",
    "strings": {
        "options": {
            "base": "Lifeguard Base",
            "tower": "Lifeguard Tower"
        }
    }
}