declare namespace Ext {
    export namespace sparkline {
        export interface PieConfig {
            borderColor?: string;
            borderWidth?: number;
            disableTooltips?: boolean;
            highlightColor?: string;
            highlightLighten?: number;
            lineColor?: string;
            offset?: number;
            sliceColors?: string[];
            tipTpl?: string | Ext.XTemplate;
            tooltipPrefix?: string;
            tooltipSkipNull?: boolean;
            tooltipSuffix?: string;
            values?: number[];
        }

        export class Pie extends Ext.sparkline.Base  {
            public getBorderColor(): void;
            public getBorderWidth(): void;
            public getOffset(): void;
            public getSliceColors(): void;
            public setBorderColor(): void;
            public setBorderWidth(): void;
            public setOffset(): void;
            public setSliceColors(): void;
        }
    }
}