{
    "ecus": [
        {
            "name": "master",
            "roles":[
                {
                    "category": "homescreen",
                    "role": "homescreen",
                    "area": "fullscreen",
                    "layer": "homescreen",
                },
                {
                    "category": "general",
                    "role": "launcher | browser | debug | settings | hvac | dashboard | fallback",
                    "area": "normal.full",
                    "description": "For split test, video and music are moved to category:splitable",
                    "layer": "apps",
                },
                {
                    "category": "splitable_main",
                    "role": "mixer | video | phone",
                    "area": "split.main",
                    "description": "For split test, video and music are included here",
                    "layer": "apps",
                },
                {
                    "category": "splitable_sub",
                    "role": "music | radio | poi",
                    "area": "split.sub",
                    "description": "For split test, video and music are included here",
                    "layer": "apps",
                },
                {
                    "category": "software_keyboard",
                    "role": "software_keyboard",
                    "area": "software_keyboard",
                    "layer": "near_homescreen",
                },
                {
                    "category": "pop_up",
                    "role": "on_screen | on_screen_phone | onscreen",
                    "area": "on_screen",
                    "layer": "on_screen",
                },
                {
                    "category": "system_alert",
                    "role": "system_alert",
                    "area": "on_screen",
                    "layer": "on_screen",
                },
                {
                    "category": "tbt",
                    "role": "tbtnavi",
                    "area": "master.split.sub",
                    "layer": "remote",
                },
                {
                    "category": "meter",
                    "role": "tachometer",
                    "area": "split.main | normal.full",
                    "layer": "apps",
                },
                {
                    "category": "receiver",
                    "role": "receiver",
                    "area": "split.sub | normal.full",
                    "layer": "apps",
                }
            ]
        },
        {
            "name": "slave",
            "roles":[
                {
                    "category": "homescreen",
                    "role": "homescreen",
                    "area": "fullscreen",
                    "layer": "homescreen",
                },
                {
                    "category": "map",
                    "role": "navigation",
                    "area": "normal.full | split.main | fullscreen",
                    "layer": "apps",
                },
                {
                    "category": "general",
                    "role": "launcher | poi | browser | mixer | radio | hvac | debug | phone | fallback",
                    "area": "normal.full",
                    "description": "For split test, video and music are moved to category:splitable",
                    "layer": "apps",
                },
                {
                    "category": "system",
                    "role": "settings | dashboard",
                    "area": "normal.full",
                    "layer": "apps",
                },
                {
                    "category": "splitable",
                    "role": "video | music | sdl | webbrowser | eb",
                    "area": "normal.full | split.main | split.sub",
                    "description": "For split test, video and music are included here",
                    "layer": "apps",
                },
                {
                    "category": "software_keyboard",
                    "role": "software_keyboard",
                    "area": "software_keyboard",
                    "layer": "near_homescreen",
                },
                {
                    "category": "restriction",
                    "role": "restriction",
                    "area": "restriction.normal | restriction.split.main | restriction.split.sub",
                    "layer": "restriction",
                },
                {
                    "category": "pop_up",
                    "role": "on_screen | on_screen_phone | onscreen",
                    "area": "on_screen",
                    "layer": "on_screen",
                },
                {
                    "category": "system_alert",
                    "role": "system_alert",
                    "area": "on_screen",
                    "layer": "on_screen",
                },
                {
                    "category": "tbt",
                    "role": "tbtnavi",
                    "area": "master.split.sub",
                    "layer": "remote",
                },
                {
                    "category": "meter",
                    "role": "tachometer",
                    "area": "split.main | normal.full",
                    "layer": "apps",
                },
                {
                    "category": "receiver",
                    "role": "receiver",
                    "area": "split.sub | normal.full",
                    "layer": "apps",
                }
            ]
        }
    ]
}