import type { CSSProperties } from 'react';
export declare const RING_PAD = 6;
interface Size {
    width: number;
    height: number;
}
export declare function ringRadius(size: Size): number;
export declare function ringPathD(size: Size): string;
export declare function ringBoxStyle(rect: DOMRect, zIndex: number): CSSProperties;
export interface RingTrace {
    cancel: () => void;
}
export declare function traceRing(path: SVGPathElement, durationMs: number, onFrame?: (easedProgress: number) => void, onDone?: () => void): RingTrace;
export {};