import { Annulus, ArcSector, Circle, Point } from './types';
export declare const arcPoint: ({ radius, center }: Circle, degree: number) => string;
export declare const arc: (circle: Circle, { start, end }: ArcSector, drawFromLeftToRight?: boolean) => string;
export declare const mod360: (n: number) => number;
export declare const complementSector: ({ start, end }: ArcSector) => ArcSector;
export declare const inverseSector: ({ start, end }: ArcSector) => ArcSector;
export declare const normalizeSector: ({ start, end }: {
    start: number;
    end: number;
}) => {
    start: number;
    end: number;
};
export declare const subSectorByPercent: (pro: number, { start, end }: ArcSector, fromStart: boolean) => ArcSector;
export declare const filledSector: (annulus: Annulus, sector: ArcSector) => string;
export declare const sectorCutLine: ({ center, radius: [r1, r2] }: Annulus, degree: number) => string;
export declare const radianToDegree: (radians: number) => number;
export declare const posToDegree: (center: Point, { x, y }: Point) => number;
export declare const percentFromPoints: (point: Point, center: Point, { start, end }: ArcSector) => number;
export declare const getDistance: (p1: Point, p2: Point) => number;
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