declare module fb {
    interface IFbD3BarChartGroupedScope extends ng.IScope {
        id: string;
        data: ID3BarChartGroupedBar[];
        axisXName: string;
        axisYName: string;
        title: string;
        axisXTitle: string;
        axisYTitle: string;
        xAxisMaxValue: number;
        yAxisMaxValue: number;
        changeTracker: number;
        width: any;
        height: any;
        marginLeft: any;
        marginRight: any;
    }
    interface ID3BarChartGroupedBar extends Object {
        x: any;
        y: fb.ChangeTrack<number>[];
    }
}