export declare const toRadians: (deg: number) => number;
export declare const polarToCartesian: (cx: number, cy: number, radius: number, angleDeg: number) => {
    x: number;
    y: number;
};
/** Shortest distance between two angles in degrees, always in `[0, 180]`. */
export declare const angularDistance: (a: number, b: number) => number;
export declare const getPositionRadius: (ringRadius: number, ringThickness: number, position?: "inner" | "center" | "outer", radiusOffset?: number) => number;