export declare function computeTextCentre(interior: any, exterior: any): any;
export declare function computeTextCentres(circles: any, areas: any): {};
/**
 * 根据圆心(x, y) 半径 r 返回圆的绘制 path
 * @param x 圆心点 x
 * @param y 圆心点 y
 * @param r 圆的半径
 * @returns 圆的 path
 */
export declare function circlePath(x: any, y: any, r: any): string;
export declare function circleFromPath(path: any): {
    x: number;
    y: number;
    radius: number;
};
/** returns a svg path of the intersection area of a bunch of circles */
export declare function intersectionAreaPath(circles: any): string;
