{
    "audio_codec": {
        "generic": {
            "eval": "generic_audio_codec"
            }
        },
    "battery": {
        "generic": {
            "eval": "generic_battery"
        }
    },
    "virtual_category": {
        "component_1": {
            "eval": "func_not_existed"
        },
        "component_2": {
            "eval": { "func_with_args" : {"argName": "value"} }
        }
    }
}