auto/qgeoroutingmanagerplugins/routing_plugin.json

{
    "Keys": ["georoute.test.plugin"],
    "Provider": "georoute.test.plugin",
    "Version": 100,
    "Experimental": true,
    "Features": [
        "OfflineRoutingFeature",
        "RouteUpdatesFeature",
        "AlternativeRoutesFeature",
        "ExcludeAreasRoutingFeature"
    ]
}