import Sigma from 'sigma/sigma';
export declare const getBezierCenter: (x1: number, y1: number, x2: number, y2: number, cx1: number, cy1: number, cx2: number, cy2: number) => {
    x: number;
    y: number;
};
export declare const getEdgeCenter: (edgeId: string, sourceId: string, targetId: string, sigma: Sigma) => {
    x: any;
    y: any;
};
