import type { number_percent } from '../../../types/number_percent';
import { Color } from '../Color';
import type { ColorTransformer } from './ColorTransformer';
/**
 * Makes color transformer which returns a mix of two colors based on a ratio
 *
 * @param ratio the ratio of the first color to the second color, from 0 to 1
 * @param additionalColor the second color to mix with the first color
 *
 * @public exported from `@promptbook/color`
 */
export declare function mixWithColor(ratio: number_percent, additionalColor: Color): ColorTransformer;
