export interface stackColumnData {
    xData?: string[] | [];
    yData?: string[][] | [];
    seriesName: string[] | [];
    stack: string[];
    tooltipFormatter?: (param: any) => string;
}
export declare type legendPosition = 'bottom' | 'right' | 'top';
export declare type axisLabelRotate = 'leftSmallAngle' | 'leftBigAngle' | 'rightSmallAngle' | 'rightBigAngle';