/// <reference types="react" />
interface Measurements {
    height: number;
    sideLength: number;
}
export declare function measureShape(size: number, sides: number, centralAngle: number): Measurements;
export declare function calcInOutset(spacing: number, centralAngle: number): [number, number];
export declare function getNumInOutsets(side: number, numSides: number): [number, number];
interface SpiralProps {
    boxSize: number;
    fontSize: number;
    sides: number;
    spacing: number;
    children: string;
}
export declare function Spiral(props: SpiralProps): JSX.Element;
export {};