Interface IControlBarButtonItem

interface IControlBarButtonItem {
    action: () => void;
    enabled?: () => boolean;
    icon: (
        __namedParameters: {
            className: any;
            fill: any;
            height: any;
            width: any;
        },
    ) => Element;
    id: string;
    isOn?: () => boolean;
    style?: (on: boolean) => string;
    tip: string;
}