import type { number_percent } from '../../../types/typeAliases';
import type { ColorTransformer } from './ColorTransformer';
/**
 * Makes color transformer which saturate the given color
 *
 * @param amount from -1 to 1
 *
 * @public exported from `@promptbook/color`
 */
export declare function saturate(amount: number_percent): ColorTransformer;
/**
 * TODO: Maybe implement by mix+hsl
 */
