{
    "bmc.dev.Volume.DriveCachePolicy": {
        "properties": {
            "CurrentPolicy": {
                "baseType": "U8",
                "readOnly": false,
                "options": {
                    "emitsChangedSignal": "true"
                },
                "description": "当前硬盘缓存策略，0：Unchanged；1：Enable；2：Disable"
            },
            "Writable": {
                "baseType": "Boolean",
                "readOnly": true,
                "options": {
                    "emitsChangedSignal": "false"
                },
                "description": "当前策略是否可修改"
            }
        },
        "methods": {}
    }
}