import { Color } from '../Color';
import type { ColorTransformer } from './ColorTransformer';
/**
 * Makes color transformer which finds the furthest color from the given list
 *
 * @param colors array of colors to choose from
 *
 * @public exported from `@promptbook/color`
 */
export declare function furthest(...colors: Color[]): ColorTransformer;
/**
 * Makes color transformer which finds the best text color (black or white) for the given background color
 *
 * @public exported from `@promptbook/color`
 */
export declare const textColor: ColorTransformer;
