{
    "button-core": {
        "requires": [
            "attribute-core",
            "classnamemanager",
            "node-base",
            "escape"
        ]
    },

    "button-plugin": {
        "requires": [
            "button-core",
            "cssbutton",
            "node-pluginhost"
        ]
    },

    "button": {
        "requires": [
            "button-core",
            "cssbutton",
            "widget"
        ]
    },

    "button-group": {
        "requires": [
            "button-plugin",
            "cssbutton",
            "widget"
        ]
    },

    "cssbutton": {
        "type": "css"
    }
}