import { IPoint } from '../../interfaces/IPoint.js';
export declare function getQuadCenter(quad: DOMQuad): IPoint;
export declare function getEdgeMidpoint(start: IPoint, end: IPoint): IPoint;
export declare function getOutwardNormal(start: IPoint, end: IPoint, quadCenter: IPoint, fallback: IPoint): IPoint;
export declare function getEdgeOffsetPoint(start: IPoint, end: IPoint, quadCenter: IPoint, distance: number, fallback: IPoint): IPoint;