{
    "$id": "https://gros.liacs.nl/schema/metadata/projects.json",
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "title": "Projects list",
    "$ref": "#/$defs/projects",
    "$defs": {
        "projects": {
            "type": "array",
            "items": {"type": "string"}
        }
    }
}